Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

A fortified city, home to a remaining population of five families

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A geological mystery on Camelback Mountain.

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

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

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

"Polynesia on the Plains."

The only road through the heart of Glacier National Park.

A trading post in the North Pole where children send letters.

Race through the maze, get your name on the sign.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

This black shoreline is made up of exploded lava particles.

The carved medieval stones stand near the ruined abbey's parking lot.

The artwork is tucked within a cave on a tiny Scottish island only accessible at low tide.