The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A unique bridge with an equally unique view.

This futuristic German television spire is actually the world's largest digital clock.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This historic little railroad runs through some of the most beautiful scenery in Germany.

Twisted buildings adorn the banks of the Rhine river.

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

This former steel and coal plant is now a neon-lit industrial fantasia.

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

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

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

No need to strap in for a "ride" on this walkable roller coaster.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

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

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

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Preserved "bog person" that is over 2,000 years old.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

A natural wonder in south Denmark.