In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Arlington Cemetery exhibit dedicated to death and grieving.

A macabre tour of Hollywood’s deadly history.

A long abandoned hospital building on the outskirts of NYC.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A small flooded ghost town with a few scattered structures remaining.

Century-old shop, specializing in Occult products.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

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

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

The beauty of urban decay, hiding some dark secrets.

Remnants of a storybook amusement park hidden behind a strip mall.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.