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

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

The mystery of this small, brick pond eluded its possibly only investigator until his death.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

This series of Scottish caves has no clear purpose other than baffling historians.

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

This classic restaurant features a gorgeous mirror-clad room.

An old department store turned Nazi prison turned artist commune.

A slice of central Asia in the middle of Berlin.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A fascinating insight into daily life in the Eastern Bloc.

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