A preserved college lock-up that recalls a clubhouse approach to discipline.

This monumental work of art symbolizes the coming together of a previously divided city.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

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

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

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

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

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.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

Twisted buildings adorn the banks of the Rhine river.

Model Trains and Much More in Hamburg.

Metro station with a claim to rock n' roll fame.

One of the world's heaviest musical instruments towers within a popular urban park.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Tiny memorials honor individual victims of the Holocaust.

The "Prussian Versailles" that is as glorious today as when it was built.

An industrial relic is now one of Europe's most staggering art spaces.

Hamburgers are intensely proud of their tunnel beneath the river.

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

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

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