China’s breathtaking futuristic library is lined floor to ceiling with fake books.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

The encased skull that is widely believed to belong to St. John the Baptist.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

A former prison complex now displays a historic collection of inmate artwork.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The middle finger of modernity.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

The plague quarantine island home to the alleged "Vampire of Venice."

Venice's "Island of the Mad."

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

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

The curious underground history of keeping Paris clean.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

They squeal, they nosh, they look like predators.

In paradise, feral pigs have claimed an island all to themselves.

A unique exhibit lets blind people experience famous works of art and architecture with their hands.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

The canine-themed book collection claims to be Europe's largest dog library.

The island residents are known for taking their quirky sense of humor with them to the grave.