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

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

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

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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A tower devoted to — and modeled after — the Divine Comedy.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.