This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

A sprawling cave network created by a lone lava tube.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This curiosity shop contains a museum filled with bizarre, unique objects.

The fading, forgotten remains of a once bright and booming factory.

Village situated on a narrow volcanic escarpment.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

This roadside park filled with unusual statues is on the grounds of an abandoned railway station.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

This former mining town was named the most toxic town in America.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

Town not known for anything except its strange name.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Shop for books in the New Orleans house where William Faulkner once lived.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This historic train station has been converted to a locomotive themed hotel.

An abandoned town is hidden in Great Smoky Mountains National Park.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Home to drunken tower-climbing goats... seriously.