Go surfing on this urban wave, "hacked" by local surfers.

One man's personal kunstkammer, museum and shop.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.