A small but immensely extravagant palace built by the "Night King."

A restaurant and observation deck built in a unique broadcasting antenna.

A 12th-century fortress containing some of Berlin's oldest buildings.

One part local history, 99 parts gruesome haunted house.

The anatomical-pathological collection of a man who changed surgery.

A cluttered and astounding collection of antiquities and curiosities.

Dictionary Johnson’s favorite feline.

This famed marionette theater and museum is bursting with imaginative string puppets.

A stairway to heaven, or to nowhere at all.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

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

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The footprint of a frustrated devil in Munich's Cathedral.

A brush maker used his factory to protect blind Jews from the Gestapo.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

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

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

This conical hill was built as a testing ground for an engineer known as the Glider King.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

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

Berlin's old airport.

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