This grubby wall is said to be one of the Earth's esoteric energy centers.

Real bones which are said to have belonged to a Polish dragon.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

Art and a pun, all in one.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

A monument to the man who almost killed Hitler.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

One of downtown Berlin's last reminders of its Communist past.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

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

Where once there was a train station bathroom, there is now this German burger joint.

Tiny memorials honor individual victims of the Holocaust.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The world's oldest rose is so tough it survived being bombed in World War II.

This wooden hotel is a temple to German sustainability and forest conservation.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.