A surprisingly detailed model of one of the most powerful telescopes in the world.

This 18th-century folly is one of Europe's rare "garden mosques."

This futuristic German television spire is actually the world's largest digital clock.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Four-story slides send people whizzing through the math department at this Munich university.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

A university observatory dome painted to resemble the beloved 'Star Wars' droid.

The resting place of 18th century German mummies.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.

It's good luck to be mocked by this monkey.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

A Nazi concentration camp and Anne Frank's place of death.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Thousands of flowers create enchanting pink tunnels over the city streets.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

"The most colorful grottoes of the world.