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

A fascinating insight into daily life in the Eastern Bloc.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

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

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An eerie, derelict amusement park in Berlin.

Ancient catacombs form the foundation for this Rococo orgy of a church.

One of the best collections of wax anatomical models in the world.

A magnificent collection of imperial armor and weaponry.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

This museum promotes informed contraception by documenting its often secret past.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

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

Dine amidst exotic plants at this former royal greenhouse.

The resting place for anonymous victims of the Danube's dark waters.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

A spherical "micro-nation" in the heart of Vienna.

The topiary maze at the Habsburg hunting lodge.