These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

This unique Renaissance castle was turned into a home for Nazi occultism.

An elevator into the Baltic Sea.

Super-heavy Nazi architectural experiment.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A stairway to heaven, or to nowhere at all.

An intricate and amazing house built by architect Karl Junker.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

Art and a pun, all in one.

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

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.