1898 German railroad depot museum with working engines, steam train excursions, and hands-on displays.

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

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

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

A varied collection of brains in alcohol.

The largest brick bridge in the world.

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

An exquisite panometer representing Dresden as it was from 1695 to 1760.

The narrowest street in the world is in danger of closing up entirely.

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

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

These beautiful objects represent beautiful ideas.

There are two dozen tanks just sitting in an open field in Lower Saxony.

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

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.

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

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

One of downtown Berlin's last reminders of its Communist past.

The final resting place of many of Germany's most famous communists.

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

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

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

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

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