Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

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

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

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

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

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

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

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

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

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

Twisted buildings adorn the banks of the Rhine river.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

Striking occult iconography on a medieval German church.

In this truly magical place, rent hasn't been raised since the year 1520.

Cold war icon and onetime "hole" in the iron curtain.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The footprint of a frustrated devil in Munich's Cathedral.

This historic stone bridge has an entire neighborhood clinging to its sides.

A fascinating insight into daily life in the Eastern Bloc.

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

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

A Neolithic celestial calendar standing in a nondescript wheat field.

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