An abandoned coal mine reached by a steep hike.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

This university transit system is a 1970's vision of the future.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

The remains of one of the last mining camps developed on the New River.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Home of a 28-foot tall stalagmite known as the War Club.

A historic coal mine that doubles as a museum and tourist attraction.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

America's post-nuclear-attack chambers of Congress.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned amusement park was built on a site with a dark history.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

Journey up the capitol building's cupola for an amazing view of Topeka.

These otherworldly limestone formations jut out from the Kansas prairie.