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

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Venice's island of the dead.

Medieval torture techniques with a modern conscience.

Secret refuge and museum of the Duke of Florence.

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

Pilgrimage site for star-crossed lovers.

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

Five candy-colored villages on the Italian Riviera.

Jesus' footprints and the first catacombs in the world.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

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

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A restaurant and observation deck built in a unique broadcasting antenna.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

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