Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

The world's largest fully steerable radio telescope.

The isolated final resting place for perished coal miners.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

The art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

The ruined remains of a coal mining ghost town are hidden within the woods.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The only road through the heart of Glacier National Park.

Mining caused an asbestos emergency in this small town.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This amazingly preserved Gold Rush town is a historian's dream.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

Mining town from the late 1890s, once home to Calamity Jane.

An entire town preserved as a historic landmark.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.