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

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

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

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

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.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A striking 12th-century-style castle built on the edge of a cliff.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

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

The prototype for all Nazi concentration camps.

An intricate and amazing house built by architect Karl Junker.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Ruins of a German Castle on top of a towering stone pillar.

A spectacular cave and a beguiling lake.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The fairy tale castle of the "fairy-tale king."

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

A beautiful maze marks where three countries meet.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."