The '7 Summits' is a challenge featuring every continent's highest peak

An interactive trek up Mount Everest

At just over 29,000 feet, Mount Everest is the highest summit on Earth and the premiere destination for serious climbers. The imposing peak has also claimed at least 322 lives over the past century, or between four and five victims per year. This...

The most challenging marathons in the world

Even on a flat course, the event is a taxing ordeal. Now imagine those 26.2 miles climbing some of the world’s highest mountains (via the Tenzing Hillary Everest Marathon or the Kilimanjaro Trail Marathon), across the Great Wall of China, or trekking up the Inca Trail. These races won’t earn you a PR, but they will make for good stories.

20 of the world's most iconic big rock wall climbs

Big wall climbs are tall rock faces that require climbers to "pitch" multiple times during the ascent—that is, reuse a rope. They also often portaledge, or sleep, at least once during the climb. Topping the list is California's El Capitan.

Microplastic pollution extends from Earth’s deepest oceans to its highest peak

Researchers have found microplastic particles in snow samples taken from near the summit of Mount Everest. Microplastics have also been detected in the Mariana Trench, highlighting the widespread nature of this pollutant.

Ski mountaineering—or 'skimo'—debuted at the 2026 Winter Olympics

The sport involves skiing both uphill and downhill, with sections where the skis are strapped to the athlete's back. Skiers start at the bottom with a carpet-like layer on their skis to help ascend, remove them for the final climb, and then step back into normal skis for a slalom-like descent.

Davos, Switzerland, is one of the highest towns in Europe

Perched high in the Swiss Alps, Davos is one of Europe’s highest towns, accessible via a limited number of routes—an isolated setting that heightens both the security and exclusivity of the annual forum.

America's best mountain towns

Thrillist compiled a list of the most well-rounded mountain towns in the US, from ski-friendly Park City, Utah, to austere desert hotspot Taos, New Mexico. Peruse this list for you next mountain adventure.

Why only one of the seven wonders of the ancient world still exists

Greek writers recorded lists of great structures that were later codified by Renaissance writers. The definitive list includes the Colossus of Rhodes, the Giza Pyramid (the only existing one today), the Hanging Gardens of Babylon, the Temple of Artemis at Ephesus, the Statue of Zeus at Olympia, the Mausoleum at Halicarnassus, and the Lighthouse of Alexandria.

The missing continent that took 375 years to find

It took scientists 375 years to discover the eighth continent of the world, which had been hiding in plain sight all along. But mysteries still remain.

Supermountains the size of the continental US may have sparked complex life on Earth

Geological records show that the Nuna and the Transgondwanan Supermountains existed around the same time as two major jumps in species complexity on the planet: the rise of large organisms and the Cambrian explosion, respectively. Researchers believe that the erosion of these mountains deposited major nutrients into the oceans and boosted oxygen levels, both of which supported more complex species.

What are the ten largest deserts?

Read this article to learn more about the ten biggest deserts in the world—including what their climates are like, where they can be found, and just how big they actually are. Did you know, for instance, that Antarctica is home to the world’s...

Grands Prix run March through December at circuits across 5 continents

F1's nine-month season crosses five continents in locations steeped in history and meaning for drivers, teams, and the sport. There are 24 events in 2026, starting in Australia and ending in Abu Dhabi in the United Arab Emirates.

Renaming the peak of the Great Smoky Mountains

After two years, the Eastern Band of Cherokee Indians' petition to rename Clingmans Dome, the highest point in Great Smoky Mountains National Park, finally succeeded. In 2023, the peak's title officially returned to its original Indigenous name, Kuwohi, which means "the mulberry place." Read to learn more about the mountain's significance as a sacred site for the Cherokee people, who have used the area for prayer, reflection, and gathering mulberries for medicinal purposes.

See Mount Vesuvius from space

Mount Vesuvius is one of the few active volcanos on Europe's mainland. See it from space in this photo from NASA's Earth Observatory. This natural-color image was taken on January 2, 2022, during a break in cloud coverage.

A resting rhino tops the best travel photos of the year

The annual Travel Photographer of the Year awards are in for 2022, and the winner this year features one of the last two remaining Northern White rhinos. Check out the other categories and runners up.

What's the difference between an ocean, sea, and saltwater lake?

What are the seven seas, the five oceans, and why isn't the Dead Sea considered a sea? This overview provides definitions for each.

The Seven Sisters were a dominant midcentury Western oil consortium

Amid the fallout of World War II, Western multinational corporations expanded their control of the production of oil across the oil-rich Middle East, earning the pejorative nickname of the Seven Sisters. In the 1970s, the group’s role diminished as nationalist movements pursued sovereign control of the oil.

The Millennium Prizes were created to spur solutions to seven unsolved problems

In 2000, the Clay Mathematics Institute brought public attention to the frontiers of mathematics by establishing $1M prizes for some of the most challenging problems mathematicians faced. As of 2025, only one problem has been solved, but the reward was turned down.

Visit these 'blue zones,' where people live the longest

Blue zones, a term coined in 2004 by National Geographic Fellow Dan Buettner, are regions in the world where people live the longest and healthiest lives. Researchers have identified a few key aspects defining the culture of these areas—physical activity, diet, purpose-driven lives, and more. Explore the top five blue zones from across the world here.

View the ten basic cloud types, categorized by height and composition

Among the features of these types, cirrus clouds can display various colors at sunrise and sunset, while altocumulus clouds can produce a corona phenomenon around the sun or moon. Nimbostratus clouds are thick enough to block out the sun entirely.

There are currently over 6,500 active coasters in the world

See a database including every country from Afghanistan to Zimbabwe to see stats about their coaster count, and compare it to their populations and square footage.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

The Triple Crown, explained

Only 13 horses have ever won the Triple Crown—one of the most elusive titles in American sports. This explainer breaks down how the series works, why it's so difficult to win, and the legendary horses that defied the odds across the Kentucky Derby, Preakness Stakes, and Belmont Stakes.

A global list of every space exploration mission

Learn how and why we explore our solar system and beyond with space exploration missions, and find out how you can get involved.

The world's most unique cheeses

Some are set apart by their unusual ingredients, like moose milk or live mites. Others are defined by texture, like the Georgian specialty tenili, a very rare hand-pulled cheese that resembles yarn or pasta strands. There’s even a canned cheese that has been using the same strain of bacteria for more than 70 years.

See the 25 of the best photos of auroras from around the world.

Seven known types of coronaviruses have jumped from animals to humans

Coronaviruses, including SARS-CoV-2, belong to a large family of viruses characterized by their crown-like appearance under a microscope, due to spike proteins on their surface. While thousands are believed to exist in animals, only seven are known to have made the jump to humans.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

Waves off the coast of Nazaré, Portugal, can reach over 100 feet and are caused by the area's deep underwater canyon geography

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

Three Ebola species are responsible for most large outbreaks of the disease, yet the only approved Ebola vaccine is known to work against just one of them.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.