Abbey built on the ruins of Roman catacombs.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

A prehistoric route that has claimed many victims is now closed to traffic.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

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

These unique "earth pyramid" clay columns can be found in ravines around the village of Tirolo.

The first passenger cable car in the world.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This Italian foot path winds through the mountains via 52 individual tunnels.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

The only museum with its curator—and her pets—buried inside.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Where Venice's gondolas go for a tune-up.

100 year tradition of fist fights, marked by marble footsteps.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Two stone columns flank the grand Venice square, but there were supposed to be three.

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