This outsider art house has gone from clinical creation to astounding artwork.

Ride a dragon train into a world of dwarves.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

A crucified and bearded female saint.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The amazing wonder cabinets of a very rich Austrian archbishop.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Hamburgers are intensely proud of their tunnel beneath the river.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

A meteorite-bounded town in Bavaria.

A fascinating insight into daily life in the Eastern Bloc.

A collection of abandoned typographic signs from Berlin and beyond.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Make your reservation to have coffee with some kitties.

Private collection of art inspired by cabinets of curiosity.

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

The eccentric mansion of one of the most popular horror authors of modern times.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

The former 1920s mansion of a prominent Catalan developer was used as the Soviet Embassy during the Spanish Civil War, and there is still a bunker below the garden.