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

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

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.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

In this truly magical place, rent hasn't been raised since the year 1520.

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

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A quaint Russian village in the middle of a German metropolis.

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

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

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

When German-Iraqi relations broke down, this embassy was vacated post haste.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

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

An abandoned swimming pool decays on the outskirts of Berlin.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

The prototype for all Nazi concentration camps.

No need to strap in for a "ride" on this walkable roller coaster.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Super-heavy Nazi architectural experiment.

A small but immensely extravagant palace built by the "Night King."

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