A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

Berlin's old airport.

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

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

A fascinating insight into daily life in the Eastern Bloc.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

An enormous and lavish Gothic church in Czechia.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A beautiful final resting place for some of the noteworthy deceased.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The world's longest known cave system.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Elevated freight railway turned wildly successful urban park.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

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

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

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.