This former coal gasification plant found a curious second life as a popular public park.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A stealthy Apache hideaway that became the haunting site of a mass grave.

An essential stop before plundering, BYO Cutlass.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Less a museum than a bizarre fantasy world created by artists and engineers.

Canyon walls shrouded in ferns.

An enormous park-like oasis, full of famous Chicagoans' graves.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

See massive fossils that are over 200 million years old in northeastern Arizona.

The magic's in the hole!

A Bibliophile's Dream.

Quite simply the largest tree in the world (by volume).

A monument to the art of slicing people open.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A lush green oasis in the middle of Chicago.