Berlin's old airport.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

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

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

The most visited, and possibly most controversial, museum in Germany.

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

Model Trains and Much More in Hamburg.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

A house of bones — but nobody is quite sure to whom they belong.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This skewed English house has looked like it's going to fall over for centuries.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

Taxidermied animals galore, by appointment only.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A museum wholly devoted to juvenescence.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Explore nearly 400 years of English middle-class home life.

London's largest outsider art museum.

Artists and musicians now rule over this former rail station.

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

Eighty million natural history specimens call this gargantuan museum home.

Giant, friendly pelicans in Central London, the most unlikely of places.