Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Dine amidst exotic plants at this former royal greenhouse.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

The Habsburgs' royal collections of art and wonders.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Legends surround an ancient tree trunk riddled with nails for good luck.

Op-art architecture designed for happiness.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

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

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

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