A varied collection of brains in alcohol.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

The monumental home of Prussia’s eccentric "Cannon King."

The name doubles as an appropriate adjective for this small ossuary.

Take a walk in a recreation of ancient Rome.

This sprawling Jewish cemetery is one of the largest in Europe.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

The only microgravity tower in Europe can produce nine seconds of weightlessness.

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

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

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

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

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

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

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.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

A kindergarten shaped like a cat with a tail that's a slide.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

A subterranean display of public art and architecture.

A German town is growing a building out of trees.