One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

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

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

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

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

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

One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

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

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

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

The last bastion of Roman presence north of the Alps looms over a German town.

Twisted buildings adorn the banks of the Rhine river.

The largest brick bridge in the world.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

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

This incredible stone temple is a monument to death, victory, and fantasy architecture.

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.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

The oldest Jewish cemetery in Europe survived Hitler's Germany.