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

A whimsical bridge adorned with decorative dragons.

These pools have been abandoned for over 20 years.

One of the largest caves in the world open to the public.

This massive subterranean fissure is known as the "underground Grand Canyon."

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

The "dragon babies" of southeastern Europe.

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

During World War II, this rice mill became a Nazi concentration camp.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

This winding road through an Italian canyon may be the most scenic drive in the world.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

Where beer lovers can literally immerse themselves in beer.

This splendid tomb may look fantastic, but there's nothing in it...

This museum promotes informed contraception by documenting its often secret past.

These jeweled relics have a scandalous and contested past.

A rare example of a German cemetery with traditional grave markers dating back several generations.

The name doubles as an appropriate adjective for this small ossuary.

Ever-growing collection of devils in art.

Mysterious painted skulls in Moravia.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.