This natural hill rose another 130 feet from the debris and rubble added after World War II.

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

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

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

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

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

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Thousands of flowers create enchanting pink tunnels over the city streets.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This German bone house contains the remains of some 20,000 souls.

A restaurant and observation deck built in a unique broadcasting antenna.

Berlin's old airport.

The prototype for all Nazi concentration camps.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The fairy tale castle of the "fairy-tale king."