A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A cheeky architectural easter egg.

A striking, modern church devoted to a nun who loved God and beer.

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

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

A former copper mine which became a truly unsuccessful prison.

Dedicated to the first German Chancellor, Otto von Bismarck, this aging edifice is the only one of its kind in the Americas.

The ruins of a grand theater destroyed during the most powerful seismic catastrophe ever recorded.

The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

Cathedral carved out of salt, located a mile below the earth's surface.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Where beautiful signs live on forever.

A forgotten monument to Yugoslavian freedom.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Humble beginnings for one of the world's most famous scientists.

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

This 135-year-old weather station studied the effects of the climate on human health.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.