A popular swimming hole that hides one of America's most deadly diving spots.

A modernist landscape of water and sci-fi concrete.

A blacklight journey through a celestial art exhibit.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This century-old roadside attraction is full of bizarre rock formations.

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

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A local scoured more than 1,000 acres for stone to create his masterpiece.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

An enormous natural sandstone bridge in Kentucky.

Moonbows over Kentucky.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

A semi-scholarly approach to sex.

Every winter, dozens of otherworldly ice structures sprout up from a rigged up artesian well.

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.