Mountains

With its peace accords up in the air, the Colombia's diverse ecosystems face an uncertain future. Shown here: the valley of Cocora near Salento, Colombia.

How Colombia's Failed Peace Treaty Could Wreak Havoc on Its Diversity-Rich Ecosystems

A potential influx of legal and illegal mining leaves the country's megadiverse landscapes—and the communities who depend on them—in jeopardy

Water drained from the tunnel will feed new aquaculture farms nearby.

Beneath a Mountain in Switzerland Lies the World’s Longest Shortcut

The massive structure, running 35.4 miles through the Alps, begins full operations this December

Awesome New Maps Show Alaska in High-Resolution Detail

The ArcticDEMs are the first set of detailed elevation maps of the Great White North

This marker denotes both the highest point in Finland and the border with Norway.

Norway Wants to Give Finland a Mountain

If the country succeeds, it will be the world's best 100th-birthday gift

The leaves stained with Albert I's blood

Bloody Leaves Help Solve 82-Year-Old Royal Mystery

King Albert's untimely death sparked a range of conspiracy theories about the cause

Ski mountaineering legend Kit DesLauriers ascends Mt. Isto, the new highest peak in the Brooks Range

After 60 Years, An Expedition Determines Highest Peaks in U.S. Arctic

Glaciologist Matt Nolan and ski mountaineer Kit DesLauriers tested a new mapping system to end uncertainty about the highest mountain in the Brooks Range

The dug out end of the tunnel, as photographed in 2009.

The Longest, Deepest Train Tunnel in the World Is About to Open

It goes straight through the base of the Alps

A pile of discarded prayer flags lays in front of Mount Everest, which claimed four lives in just four days over the weekend.

Four People Have Died on Everest in as Many Days

The mountain's terrible toll has set the 2016 climbing season off to a rocky start

A cross marks the Austrian line in the Pasubio mountains, a relic of their 1916 “Punishment Expedition.”

The Most Treacherous Battle of World War I Took Place in the Italian Mountains

Even amid the carnage of the war, the battle in the Dolomites was like nothing the world had ever seen—or has seen since

China Will Start Publicly Shaming Tourists Who Graffiti Mount Everest

Leave nothing but footprints

Mountaineers Have Discovered the Bodies of Alex Lowe and David Bridges

The climbers died in an avalanche on Shishapangma in 1999

Swiss yodeling choir Jodlerclub Echo during a competition.

How to Yodel Like a Local

The Swiss tradition is much more than a simple yodel-ay-ee-oooo

Ginseng roots

The Fight Against Ginseng Poaching in the Great Smoky Mountains

A profitable black market for the native shrub pits the National Park Service against poor residents of Appalachia

Edelweiss.

Switzerland's Most Beautiful Alpine Gardens

The best place to see Switzerland's stunning flora is high up in the mountains

A passenger aboard a commercial flight to Anchorage, AK snapped this picture of the volcano in action.

Alaska’s Most Active Volcano Is at It Again

Pavlof Volcano spews ash 20,000 feet into the air, and scientists warn pilots to steer clear

"Serra Gaucha," by Guy Laramée

These Mountains Are Made of Books

An interdisciplinary artist creates landscapes out of encyclopedias

The Matterhorn is perhaps the most recognizable of the peaks that make up the Alps, and has a height of 14,692 feet.

Seven Surprising Facts About the Matterhorn

The towering peak that straddles Switzerland and Italy is full of secrets

Prayer flags in North Sikkim, where the author traveled in search of clues about his grandfather

One Man's Epic Rail Journey to the Darjeeling Himalaya

A grandson retraces adventurer Francis K.I. Baird's mysterious trek to a remote village near the India-Tibet border

For the first time since 1974, no climbers reached the peak of Mt. Everest.

Here's Why Nobody Made It Up Mount Everest Last Year

For the first time in over four decades, red tape and poor conditions prevented any climbers from conquering the mountain

During the first two years of the team's studies, snow sealed the entrance to Snow Dragon cave. But in recent years, low snowpack has kept the entrance open year-round.

Behold the Beauty of Disappearing Glacier Ice Caves on Mt. Hood

Catch them before they're gone -- these tunnels and caverns may soon melt away

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