In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

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

This extremely narrow tenement boasts a maximum occupancy of just two.

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

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

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

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

This East German military command bunker was ready for World War III.

Legendary site where an evil bishop was devoured by rodents.

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

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

Made from trees and then abandoned, this fence is still growing along a path in Germany.

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

A former Nazi lookout tower with a magnificent view of the Rhineland.

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

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.

A rare example of a German cemetery with traditional grave markers dating back several generations.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

The world's biggest pet store.