This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

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

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

A pair of giant stone heads represent the ancient Roman saints beheaded here.

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

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

A lush oasis full of vibrant plants and striking geometric displays.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

An ornate century-old elevator still connects the two halves of Bad Schandau.

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

Ruins of a German castle on top of a towering stone pillar.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

"The most colorful grottoes of the world.

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

One of the most iconic neon ads of former East Germany.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

A monument to the "father of modern warfare" Gustav II Adolf.

The largest brick bridge in the world.

This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

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

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Largest illuminated advertisement sign in the world.