Where once there was a train station bathroom, there is now this German burger joint.

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

Art and a pun, all in one.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

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

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

Stockholm's deepest subway station is also a stunning ecological wonder.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

A 200-year-old collection of medical paraphernalia in a historic house.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

The place to be if you love vintage Swedish cars.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This charming candle shop has been in business since 1789.

A unique seaside cave where Aleister Crowley faked his own death.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

An eerie, derelict amusement park in Berlin.