The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Copenhagen's celebrated theme park and gardens.

One of the largest numismatic collections in Europe fell victim to a huge theft.

A prime example of socialist modernist architecture, wrapped in a enormous fresco about the media.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Museum dedicated to the terror regimes of Hungary.

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

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

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

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

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This sculpture honors the man who was known as the "Righteous Among the Nations."

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

This dockworkers' lunch joint has been left leaning by a century of storm floods.