Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The world's only silo that was topped by two revolving restaurants has unfortunately been demolished.

World's largest barrel containing an inn.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

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

This futuristic German television spire is actually the world's largest digital clock.

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

Fantastic views and thousands of love locks.

Legendary site where an evil bishop was devoured by rodents.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

Metro station with a claim to rock n' roll fame.

Tiny memorials honor individual victims of the Holocaust.

The last bastion of Roman presence north of the Alps looms over a German town.

Twisted buildings adorn the banks of the Rhine river.

Go surfing on this urban wave, "hacked" by local surfers.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

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

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Cold war icon and onetime "hole" in the iron curtain.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

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