Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

A wild trout fishery in Arkansas.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

The only diamond mine in the world where you can keep what you find.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

An off-the-beaten path cave with an underground lake.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The eroded core of an ancient volcano is now accessible by a short hike.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

A geological mystery on Camelback Mountain.