A Tucson museum and performance space full of found-object movable sculptures.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

A real flying saucer, contracted by the U.S. Air Force.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

This landmark cemetery in Boston was created more than 300 years ago.

Mine your own precious stones.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

An annual festival celebrating Colorado's most famous frozen corpse.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

Pennsylvanian mass grave and possibly mass murder.

It would take 35 firetrucks to fill this enormous glacial pothole.

These pretty kitties killed and ate as many as 135 railway workers.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

A mailbox that saved a nature reserve.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.