Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

Europe’s oldest natural human mummy.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

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

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

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

Ancient snack bar of the Roman Empire re-opened.

Pilgrimage site for star-crossed lovers.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

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

Metro station with a claim to rock n' roll fame.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Started as a kitchen garden, now the second largest botanical garden in the world.

An eerie, derelict amusement park in Berlin.