During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

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

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

This traffic circle in a small Swedish town is adorned with a statue of a giant potato.

Sweden's largest remaining gantry crane is a relic of Gothenburg's industrial past.

This sprawling, Brutalist estate feels like a city within a city.

A bold and controversial statue of a Christmas icon, blending adult undertones with playful humor, stands year-round in a traffic circle.

This cone-shaped bomb shelter, modeled on German design, is a rare WWII relic that never saw use but still looms over the harbor.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

This concrete church spent a period of its history as a World War II bunker.

Twisted buildings adorn the banks of the Rhine river.

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

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

Life-sized bronze statues of fictional puppet characters.

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