The largest mosque in Germany.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

How did a lighthouse wind up in the middle of this landlocked German city?

Largest illuminated advertisement sign in the world.

This painted Lego bridge is the product of over a century of locomotive history.

This "floating railway" is one of the world's oldest monorail systems.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

A ruined castle stands atop a hill surrounded by dragon lore.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

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

Germany's longest suspension rope bridge.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Tiny castle in the middle of the Rhine made you pay to pass.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

A famed artist's inspiring work of peace and tolerance.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

The final resting place of the famed German pilot, the "Red Baron."

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

This tremendous timepiece was once the largest cuckoo clock in the world.

Legendary site where an evil bishop was devoured by rodents.

The many—66 to be exact—faces of the German forest.