The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

Huge stairway leads to this massive gallery.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Definitely not a clown bar.

Community bookshelf of 25-foot-tall book spines.

This brightly-colored chapel is a contemporary jewel standing in the middle of a La Morra vineyard.

One of the most easily accessible examples of the rare 1960s UFO houses.

A royal relic from the time that gambling was accidentally made legal in South Carolina.

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Four-story concrete hotel never opened to customers.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Try not to get slimed in Tribeca.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Live a night as a Byzantine King, with a minibar and private jacuzzi.