The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

A field of nothing but boulders which resembles a giant's gravel driveway.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

An abandoned Victorian-era mill in the middle of modern Manchester.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

The site of the Andover Witch Hunts, which ended with more witch accusations and arrests than Salem.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

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

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

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

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

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The site of the one and only battle of Lord Dunmore's War.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.