A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

The glowing blue Nymphaeum of Emperor Tiberius.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Stalactites and stalagmites in a beautifully lit cave.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An alchemist's "magic door" stands in the middle of a Roman park.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

A submerged archeological park still holds the wonders of a Roman Sodom.

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

A 16th-century horror show built in a lovely Italian garden.

Geothermal waterfalls in Tuscany.