Mountains

In the little-known Pine Forest Range in northwestern Nevada, a natural lake of glacial origin.

Near the summit of Mount Washington, a stone monument remembers a life lost to one of the mountain's infamous storms.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

This Colorado fire station has been in continuous operation for more than a century.

This trench, some 2,300 feet long, is only the most prominent relic of a largely forgotten episode of placer mining on the east slope of the Sierra Nevada.

A timber transport car and a team of horses were needed to carry this lookout to the top of Mount Tarrengower in the 1920s.

A small sanctuary carved into the mountainside near the tallest point in continental Portugal.

Generations of rockhounds got their start at this beloved, historic mine.

The rocks around this mountain are filled with so many carvings that the area became known as the "open library."

This tower once served as a radar station during the Cold War.

On the side of a Virginia highway, a collection of monuments commemorates an 18th-century trek through the Blue Ridge Mountains.

A network of tunnels runs underneath the buildings of this ancient village.

It's been nearly a century since this volcano, the tallest mountain in Equatorial Guinea, erupted.

Climbing the "mountain of frustration" is no easy feat.