This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

New Orleans' famous cemetery, located on the site of a former race track.

A seemingly endless landscape of pure salt stretches far across Bolivia.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

This South London cemetery holds the remains of more than 15,000 people.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

"Looks so real, it's scary!"

Centuries-old bridges grown from tangled roots.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

270 million year-old forest of stone.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

The largest dinosaurs in the world, kissing above the highway.

A fifth-century temple improbably built into the side of a cliff.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

Rock-cut caves and 7,000 Buddhist sculptures carved into the nearly sheer face of a sandstone mountain.

Largest collection of mounted dinosaur specimens in the world.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

A Hawaiian stairway to heaven—that you can't climb.

Canyon walls shrouded in ferns.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.