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

Tiny memorials honor individual victims of the Holocaust.

Floating swimming pool within a moored vessel.

Blitzkrieg bop your way through Berlin's Ramones Museum.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

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

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

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

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

This old Victorian bathhouse is fed by an ancient spring.