A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A young Italian couple has been locked in an embrace for over 6,000 years.

Pilgrimage site for star-crossed lovers.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

2300-year-old Roman road connecting the empire.

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Once the home of a hermetic monk, this cave now houses a small church.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This extremely narrow tenement boasts a maximum occupancy of just two.

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

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

A meteorite-bounded town in Bavaria.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A fearsome dragon clings to a corner of Munich's city hall.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The prototype for all Nazi concentration camps.

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

A fascinating insight into daily life in the Eastern Bloc.

An abandoned NSA listening post on Berlin's "Devil's Mountain."