Abandoned railway line circling the city of Paris.

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

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

On Japan's Tashirojima Island, cats are king.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

Fountain where visitors can earn a license to be mad.

Colorful and chaotic stacked hotel in North Holland.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

360° views of the city plus five floors of optical illusions and hands-on science.

A magical place that lets you play in and explore the world of Studio Ghibli.

Fine dining in the bizarre world of Lewis Carroll.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Art and a pun, all in one.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

The giant skeleton sculpture is surprisingly well-traveled.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."