An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Structure built from the skulls of vanquished foes.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

An abandoned saucer-shaped monument in the Bulgarian mountains.

This dramatic rail curve was once the target of a failed Nazi attack.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This historic lavatory leftover features two levels of defecation stations completely without context.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

Abandoned bridge hidden deep in the San Gabriel Mountains.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This abandoned airplane hanger is said to have once been a top secret launch facility.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

The shipyards along the outskirts of the Bangladesh capital are a flurry dangerous boat breaking and rebuilding.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.