This abandoned horse racing track was an exercise in hubris from its inception.

A self-built castle made by a mysterious man.

The unusual burial monument of Arizona's first governor.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A cluttered and astounding collection of antiquities and curiosities.

Abandoned hotel with adjacent lake and golf course.

Eighty million natural history specimens call this gargantuan museum home.

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

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

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

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

Abandoned Air Force base that has fallen into disrepair.

A comic book store that puts the marvel back in marvellous.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.