These unusual rooms on wheels are holdovers from the 1960s.

Baroque celebration of the end of the Great Plague of Vienna.

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

The final resting place for the remains of 143 Habsburg royalty.

Striking occult iconography on a medieval German church.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.