The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This old wooden funicular railway leads to a cemetery in the forest.

This wooden hotel is a temple to German sustainability and forest conservation.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

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

A stunning two-story timepiece within a medieval Brick Gothic church.

The largest brick bridge in the world.

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.

Twisted buildings adorn the banks of the Rhine river.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

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

Wax models of disease and deformity are on display at this German medical museum.

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

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

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

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