The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This might just be the TARDIS of bookstores.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A toxic ghost town sitting atop a massive coal fire.

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

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

The world's only known button museum.

An antiquated German apothecary on Chicago's North Side.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The oldest surviving botanic garden in the United States.

A terrific purveyor of natural history objects and curios.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A creepy, deserted mock Arabian village can be found in the middle of the Qatari desert.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.