A famous big wave from Japan serves as a tribute to the victims of the disastrous Elbe flood.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

When the rain falls, this drain system turns into a musical instrument.

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

An astonishingly accurate water clock that doubles as an hourly spectacle in this Berlin shopping area.

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

Tiny memorials honor individual victims of the Holocaust.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Pop culture has helped to keep this iconic British building from being destroyed.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

Climb inside an iron crystal magnified 165 billion times its normal size.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Four giant movable street lights decorate this modern Rotterdam square.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A monument to the man who almost killed Hitler.

Floating swimming pool within a moored vessel.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.