Extreme Places

• Introduction
• Chapter 1 The Roof of the World: Mount Everest, Nepal/China
• Chapter 2 The Farthest Point from Earth's Center: Mount Chimborazo, Ecuador
• Chapter 3 The Land of Eternal Ice: The Antarctic Polar Desert
• Chapter 4 The Furnace of the World: The Sahara Desert, Africa
• Chapter 5 The Driest Place on Earth: The Atacama Desert, Chile
• Chapter 6 The Lowest Point on Land: The Dead Sea, Israel/Jordan
• Chapter 7 The Largest Cave on Earth: Hang Son Doong, Vietnam
• Chapter 8 The River of Life: The Nile River, Africa
• Chapter 9 The Lungs of the Planet: The Amazon River, South America
• Chapter 10 The City in the Clouds: La Paz, Bolivia
• Chapter 11 The Cradle of Civilization: Jericho, Palestine
• Chapter 12 The Mountain of Sand: Duna Federico Kirbus, Argentina
• Chapter 13 The Lightning Capital of the World: Lake Maracaibo, Venezuela
• Chapter 14 The Great White North: The Arctic Desert
• Chapter 15 The Land of Shifting Sands: The Arabian Desert
• Chapter 16 The Red Heart of Australia: The Great Victoria Desert
• Chapter 17 The End of the World: Ushuaia, Argentina
• Chapter 18 The Gateway to the North Pole: Longyearbyen, Norway
• Chapter 19 The City of Contrasts: Damascus, Syria
• Chapter 20 The Place of Perpetual Thunderstorms: Bogor, Indonesia
• Chapter 21 The Deepest Chasm: The Mariana Trench, Pacific Ocean
• Chapter 22 The Flattest Place on Earth: Salar de Uyuni, Bolivia
• Chapter 23 The Most Active Volcano: Kīlauea, Hawaii
• Chapter 24 The Most Densely Populated Place: Monaco
• Chapter 25 The Hottest Inhabited Place: Dallol, Ethiopia

What is it about the edge that fascinates us? Why are we, as a species, so compelled to measure, to quantify, and ultimately to seek out the uttermost limits of our world? We are creatures of the superlative, driven by an innate curiosity to discover the highest, the lowest, the hottest, the coldest, the biggest, and the most remote. This book is a celebration of that impulse, a journey to the very margins of the Earth, to the places that defy our expectations and push the boundaries of what we consider possible. These are the locations that hold the records, the geographical champions of our planet.

This fascination is not merely about collecting facts and figures for a trivia night, though the statistics are indeed staggering. It is rooted in a deeper, more primal urge to understand the canvas upon which the story of life has been painted. It is about comprehending the forces that have sculpted our world, from the colossal pressures that thrust mountains into the sky to the relentless heat that bakes the desert floor. To know these extremes is to gain a more profound appreciation for the delicate, life-sustaining balance that exists in our own, more temperate backyards. It is about perspective, and there is nothing like standing at the edge of the world to change one’s view.

The word "extreme" itself is subjective. For a deep-sea organism, the crushing pressure of the Mariana Trench is normal, while the sunlit surface would be a fatally alien environment. For the hardy people of the Himalayas, life at an altitude that would incapacitate most lowlanders is simply home. An environment becomes "extreme" when it presents conditions that are difficult for life, particularly human life, to survive in. These can be extremes of temperature, pressure, aridity, altitude, or isolation. They are the places where nature's power is on full, unapologetic display, forcing any life that dares to exist there into remarkable adaptations.

This book will be a curated tour of these remarkable locations. We will travel from the oxygen-starved "death zone" near the summit of the world's highest peak to the abyssal depths of the planet's deepest oceanic trench. We will journey to the driest place on Earth, a desert so arid that parts of it have likely never seen a single drop of rain in recorded history, and then to a town so relentlessly drenched that it holds the record for the most thunderstorms per year. This is a world of bewildering contrasts, of places that seem more suited to another planet than our own.

What qualifies a place for inclusion in this volume? The criteria are as varied as the planet itself. Some, like Mount Everest, are chosen for a clear, measurable record: the highest point above sea level. Others are selected for their unique geological character, such as the world’s largest cave, a subterranean realm so vast it could contain an entire city block, complete with skyscrapers. Some entries highlight the sheer power of atmospheric phenomena, like the lake in Venezuela that hosts a near-perpetual lightning storm. We will also visit places defined by their relationship with humanity: the highest permanently inhabited city, the oldest continuously inhabited settlement, and the most remote town on Earth.

It's tempting to think of these places as mere geographical oddities, isolated points on a map. But they are far more than that. They are natural laboratories where the limits of geology, meteorology, and biology are tested. By studying the scorching expanse of the Sahara or the frozen wastes of the Antarctic polar ice cap, we learn about the engine of our planet's climate. By examining the hardy flora and fauna that eke out a living in these punishing landscapes, we uncover the secrets of evolution and the incredible tenacity of life.

Consider the very concept of "highest." The immediate answer is, of course, Mount Everest, its summit scraping the sky at an altitude that pushes into the jet stream. But what if we change the parameters? What if we measure from the center of the Earth instead of from sea level? Suddenly, a different mountain, a snow-capped volcano in Ecuador, takes the prize. Its position on the planet's equatorial bulge gives it an advantage, pushing its peak farther out into space than any other. This is a recurring theme in the study of extremes: the answer often depends on the question you ask.

Likewise, what does it mean to be "cold"? Does it refer to the vast, continent-sized freezer of Antarctica, the coldest, driest, and highest continent on Earth? Or is it the biting cold of the Arctic, a frozen ocean surrounded by land? Both are polar deserts, fundamentally defined by their extreme cold and low precipitation. Yet their characters are vastly different, one a high plateau of ancient ice, the other a dynamic sea of shifting floes. Each represents a unique challenge to the life that has adapted to it, from penguins in the south to polar bears in the north.

The extremes of heat and aridity offer a similar study in contrasts. We will venture into the Sahara, the largest hot desert in the world, a seemingly endless sea of sand and rock under a punishing sun. But we will also visit the Atacama Desert in South America, a place so starved of moisture that scientists use it to simulate the environment of Mars. And what of the hottest inhabited place? That distinction belongs to a desolate, volcanically active depression in Ethiopia, a hallucinatory landscape of salt flats, acidic hot springs, and sulfurous fumaroles where people still toil, harvesting salt as they have for centuries.

The stories of these places are not just about rock and ice and weather. They are profoundly human stories. For millennia, people have not only survived but thrived in these challenging environments, developing extraordinary cultural and physiological adaptations. This is a testament to human resilience and ingenuity. The inhabitants of the Andes have evolved unique physiological traits to cope with low oxygen levels. Peoples of the desert have created ingenious methods of finding and conserving water, and their societies are built around the rhythms of a scarce and precious resource.

Take, for example, the city of La Paz in Bolivia. It is the highest capital city in the world, a sprawling metropolis nestled in a canyon high in the Andes. For its residents, the thin air is just a part of daily life. They have larger lung capacities and more red blood cells to transport oxygen efficiently. Their entire way of life, from their architecture to their social customs, is interwoven with the reality of living more than two miles above sea level. Their story is a powerful reminder that what one person considers an extreme environment, another calls home.

Similarly, consider the town of Longyearbyen in Norway, one of the world's northernmost settlements and a gateway to the Arctic. Here, the sun disappears for months on end during the polar night, and residents live with the constant presence of polar bears. It is a community built on the very edge of the habitable world, a place that demands a unique mindset and a deep respect for the power of nature. Yet, it is a functioning town with schools, a university, and a vibrant community, demonstrating the remarkable human ability to create a sense of normalcy in the most abnormal of conditions.

Then there are the places whose extremity lies not in their climate but in their history and density. We will visit Jericho, a city whose ancient roots make it one of the oldest continuously inhabited places on Earth, a testament to nearly eleven thousand years of human settlement. We will also explore Damascus, another claimant to ancient lineage, a city that has been a crossroads of empires for millennia. At the other end of the spectrum is Monaco, a tiny city-state on the French Riviera that packs more people into its two square kilometers than any other nation, an extreme of human density.

The human impulse to seek out these places is a complex one. For some, it is the thrill of adventure, the "adrenaline rush" that comes from pushing personal limits in a dangerous environment. This has given rise to the phenomenon of extreme tourism, where travelers seek out challenging landscapes for activities like mountaineering, caving, or storm chasing. For these individuals, the risk is part of the attraction, a way to test their skills and courage against the raw power of the planet. Psychologists suggest this drive may be linked to a need for intense stimulation and a desire to feel a sense of accomplishment and freedom.

For others, particularly scientists and explorers, the motivation is the quest for knowledge. These extreme locations are invaluable for research. They are windows into the Earth's past, holding clues in ancient ice cores and geological formations. They are bellwethers for our planet's future, as places like the polar regions are often the first to show the effects of global climate change. They may even hold the key to discovering life beyond Earth, as astrobiologists study the "extremophiles"—organisms that thrive in conditions once thought unsurvivable—to understand where life might exist on other planets and moons.

This book is structured as a series of twenty-five journeys. Each chapter will focus on a single extreme place, delving into what makes it unique. We will explore its geography, its climate, its geology, and its history. We will meet the plants, animals, and people who call it home, and learn about the remarkable strategies they employ to survive. We will examine the science behind the superlatives, understanding how these places earned their records and what they can teach us about our world.

The journey will take us to the bottom of the sea, into the crushing darkness of the Mariana Trench, the deepest point on the planet's surface. It is a realm of unimaginable pressure, eternal night, and bizarre creatures that have adapted to a world without sunlight. We will then soar to the opposite extreme, to the summit of Mount Everest, where the air is thin and the world stretches out below in a breathtaking panorama. We will stand on the flattest place on Earth, a vast salt pan in Bolivia so perfectly level that when it floods, it becomes the world's largest mirror.

We will witness the raw, creative power of the Earth at Kīlauea in Hawaii, one of the most active volcanoes on the planet, where new land is being forged before our very eyes. We will explore the largest cave system, Hang Son Doong in Vietnam, a hidden world with its own jungle and climate, a place so recently discovered that it still holds many secrets. We will sail the great rivers, the Nile and the Amazon, each a contender for the title of "longest," and each the lifeblood of the continent through which it flows.

From the highest sand dune to the oldest city, from the place of perpetual thunderstorms to the quietest desert, this book is an encyclopedia of the Earth's most exceptional places. It is an invitation to look at our planet with fresh eyes, to marvel at its diversity and its power. The places described in the following chapters are not just dots on a map; they are characters in the grand story of our world, each with a unique and compelling tale to tell. They challenge our definitions of "hospitable" and "inhabitable" and force us to reconsider the boundaries of life itself.

As we embark on this global expedition, we will encounter landscapes of stunning beauty and terrifying power. We will learn about the intricate web of life that connects even the most disparate and hostile environments. And, perhaps most importantly, we will be reminded of the incredible planet we call home, a world of extremes that, when taken all together, create a perfect, life-sustaining whole. The journey to the edge is not just about seeing what is out there; it is about better understanding the world, and our own place within it. So let us begin our exploration of these twenty-five extreme places, each a superlative in its own right, and each a vital chapter in the story of Earth.

There is a point on the surface of the Earth where the crust has been thrust so violently into the sky that it intrudes upon the realm of jet aircraft. It is a place of such extreme altitude that the very air becomes a slow poison, and where the temperature is relentlessly, lethally cold. This is Mount Everest, a three-sided pyramid of rock and ice that holds the undisputed title of the world’s highest mountain. Straddling the border of Nepal and the Tibet Autonomous Region of China, it is a monument to the colossal power of geology, a challenge that has lured explorers and adventurers for over a century.

The story of Everest's creation is a tale of two continents. Around 50 million years ago, the Indian-Australian tectonic plate, drifting relentlessly northward, crashed into the Eurasian Plate. This monumental collision caused the Earth's crust to buckle, fold, and rise, giving birth to the vast Himalayan range. Everest itself is composed of layers of sedimentary and metamorphic rocks that were once the floor of the ancient Tethys Sea, squeezed and lifted over millennia to their current, staggering height. This process is not over; the Indian plate continues to push northward, causing Everest to grow by approximately four millimeters each year.

For centuries, the peoples living in its shadow have revered the mountain. In Tibet, it is known as Chomolungma, meaning "Goddess Mother of the World." This name appeared on a European map as early as 1733, a testament to its long-standing local significance. The Nepali name, Sagarmatha, is a more recent designation from 1956, meaning "Peak of Heaven" or "Goddess of the Sky." The name "Everest" was bestowed by the British in 1865 in honor of Sir George Everest, the former Surveyor General of India, despite his own preference for using local names. At the time, Nepal and Tibet were closed to foreigners, and the British claimed not to know of any confirmed local names.

The official height of this giant has been a subject of debate and revision over the years. For decades, the widely accepted figure was 8,848 meters, established by an Indian survey in 1954. However, technological advancements and geological events, like the 2015 Nepal earthquake, prompted a re-evaluation. In December 2020, following a joint measurement effort, Nepal and China announced the new official height as 8,848.86 meters (29,031.7 feet). This figure accounts for the snowpack on the summit, while the rock height beneath is slightly lower at 8,844.43 meters.

To ascend Everest is to travel through several distinct climatic zones, each more hostile than the last. The lower slopes, within what is now Sagarmatha National Park, are covered in forests of pine, fir, juniper, and birch. These forests are home to a surprising array of wildlife, including the Himalayan tahr, musk deer, red pandas, and even the elusive snow leopard and Himalayan black bear. The park also hosts at least 118 species of birds, from the colorful Himalayan monal to the high-flying bar-headed goose, which has been observed flying over the summit.

As one climbs higher, the trees give way to alpine scrub and meadows, which eventually surrender to barren rock, snow, and ice. Plant life becomes restricted to hardy mosses and lichens, ceasing altogether around 5,750 meters, the permanent snow line. Above this, the mountain is an unforgiving world of white. The climate is brutal, with the summit temperatures rarely rising above freezing and often plummeting to -60°C (-76°F). The peak also pokes into the lower reaches of the jet stream for parts of the year, subjecting it to hurricane-force winds exceeding 285 km/h (177 mph).

The most formidable challenge for any living creature on Everest is the lack of oxygen. At the summit, the atmospheric pressure is about one-third of that at sea level. While the percentage of oxygen in the air remains 21%, the lower pressure means that with every breath, a climber takes in only a third of the oxygen molecules they would at the beach. This environment is so alien to the human body that any region above 8,000 meters (26,247 feet) has been grimly nicknamed the "Death Zone."

Within the Death Zone, the human body is in a state of continuous decay. The extreme lack of oxygen, or hypoxia, leads to a cascade of life-threatening conditions. Judgment becomes impaired, and climbers can experience confusion, disorientation, and even hallucinations as their brains swell with fluid, a condition known as High-Altitude Cerebral Edema (HACE). The lungs can also fill with fluid, leading to High-Altitude Pulmonary Edema (HAPE), which causes extreme fatigue, shortness of breath, and a persistent cough. Combined with the risks of frostbite and hypothermia, the Death Zone is a place where humans can survive for only a matter of hours, even with the aid of supplemental oxygen.

The history of climbing Everest is a saga of ambition, endurance, and tragedy. The first concerted efforts to reach the summit were made by British expeditions in the 1920s from the Tibetan (north) side. It was during the 1924 expedition that George Mallory and Andrew "Sandy" Irvine made their fateful summit attempt. They were last seen "going strong for the top" before disappearing into the clouds. Whether they reached the summit before perishing remains one of mountaineering's most enduring mysteries. Mallory's body was eventually discovered in 1999, but Irvine's, and the camera they carried, have never been found.

After China's annexation of Tibet closed the northern route, expeditions shifted to the Nepalese (south) side. It was from here, on May 29, 1953, that New Zealand mountaineer Edmund Hillary and Nepali Sherpa Tenzing Norgay achieved the seemingly impossible. As part of a British expedition led by Colonel John Hunt, the pair successfully navigated the treacherous Khumbu Icefall and ascended the Southeast Ridge to the summit. Hillary’s famously understated words to his friend George Lowe upon his descent were, "Well, George, we knocked the bastard off." The news broke on the morning of Queen Elizabeth II's coronation, adding to the global celebration.

The success of the 1953 expedition, and indeed nearly every expedition since, would be unimaginable without the skill, strength, and knowledge of the Sherpa people. An ethnic group indigenous to the Himalayan region, the Sherpas have physiological adaptations that make them uniquely suited to life at high altitude. Studies have shown they possess genetic traits that allow for more efficient oxygen use, giving them extraordinary endurance in the thin mountain air. For generations, they have been the backbone of Himalayan mountaineering, establishing routes, fixing ropes, carrying supplies, and guiding international climbers to the summit and back.

Today, there are two primary routes to the summit: the Southeast Ridge from Nepal (the "standard route") and the North Ridge from Tibet. The southern route begins at Everest Base Camp (5,364 meters), a sprawling seasonal city of tents at the foot of the Khumbu Glacier. The first major obstacle is the Khumbu Icefall, a constantly shifting, chaotic maze of enormous ice blocks and deep crevasses. It is one of the most dangerous sections of the climb, where Sherpas known as "Icefall Doctors" must painstakingly establish a new route with ropes and ladders each season.

Above the icefall, climbers ascend the Western Cwm, cross the Lhotse Face, and establish a series of camps to acclimatize before making their final push from Camp IV in the South Col, just inside the Death Zone. From there, the route follows the ridge to the South Summit, traverses the knife-edge Cornice Traverse, and overcomes the famous Hillary Step (a near-vertical rock face that may have been altered by the 2015 earthquake) before the final, grueling plod to the summit. The northern route, while avoiding the Khumbu Icefall, presents its own challenges, including longer exposure to extreme high altitude and notoriously high winds.

In recent decades, climbing Everest has transformed from the preserve of elite national expeditions into a significant commercial enterprise. For a substantial fee, often ranging from $30,000 to over $100,000, guide companies provide logistical support, equipment, food, and Sherpa guidance for aspiring climbers. This commercialization has made the dream of standing on the world's highest point accessible to a much broader range of individuals, including amateur mountaineers.

This increased traffic has led to new problems. On clear days during the short climbing window in May, "traffic jams" can form on the narrow ridges leading to the summit. These queues can be deadly, forcing climbers to wait for hours in the Death Zone, depleting their precious oxygen supplies and increasing their exposure to the elements. The mountain has also been called the "world's highest garbage dump," with decades of expeditions leaving behind tons of trash, including empty oxygen bottles, food containers, abandoned tents, and ropes.

An even grimmer problem is the accumulation of human waste and the bodies of climbers who have died on the mountain. As of May 2024, over 340 people have died on Everest, and due to the danger and expense of recovery operations, more than 200 bodies are believed to remain on its slopes. Some of these fallen climbers, frozen in time, have become macabre landmarks along the route. Efforts are ongoing to clean the mountain, with dedicated expeditions organized by the Nepalese army and private organizations collecting tons of garbage each year. The issue of human waste is also being addressed, with new rules requiring climbers to pack out their excrement.

Despite the dangers, the cost, and the controversies, the allure of Everest remains as powerful as ever. To stand on its summit is to be at the highest point on the planet, to see the curvature of the Earth, and to look out over a sea of lesser peaks stretching to the horizon. It is a place of profound silence, broken only by the wind and the gasps of oxygen-starved lungs. For the few who make it, it is the culmination of a lifelong dream, a testament to human determination and the enduring power of the world's most extreme and iconic place.