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

Go inside to really appreciate this 500-year-old technological masterpiece.

Pilgrimage site for star-crossed lovers.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

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

Medieval torture techniques with a modern conscience.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A sulfuric hellscape in southern Italy.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Fountain where visitors can earn a license to be mad.

Breathtaking and huge 430 year old maps of Italy.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

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

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

A Nesting Doll of Churches.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

Bell tower juts out from a village buried under a lake.

Bridge that died in war and was resurected.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.