This abandoned Slovenian military barracks has become a punky-political art squat.

The "dragon babies" of southeastern Europe.

This one-time health resort was used by aristocrats around the world.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A public work of art that also provides some relief from the summer heat.

A whimsical bridge adorned with decorative dragons.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The world's first combination ski slope and power plant.

Site of the first radio and telephone broadcasting companies in Copenhagen.

A collection of noses tucked inside an art museum reveals how times have changed.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A dark, narrow tunnel that leads to a charming lake and waterfall.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Where condemned pirates met their grisly end at the gallows on the River Thames.