17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This attraction was abandoned after the Chernobyl disaster.

Copenhagen's celebrated theme park and gardens.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

Southern Italy's spinning top village.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

The "Prussian Versailles" that is as glorious today as when it was built.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

Rippling sand dunes frozen in the Arizona rock.

Tour the sci-fi-esque reality of governmental disease management.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.