A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Budapest's Communist-era statues, banished to the suburbs.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

Museum dedicated to the terror regimes of Hungary.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

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

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

An Italian hillside ghost town.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

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

Pompeii's less famous neighbor is still revealing her secrets.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A gift from Emperor Franz Joseph I to his wife.

A glimpse into the festive and private lives of medieval Europe.

This museum is dedicated to the little known ancient Roman history of Vienna.

Op-art architecture designed for happiness.

A spherical "micro-nation" in the heart of Vienna.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The Habsburgs' royal collections of art and wonders.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.