A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

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.

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

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

This historic cemetery was inaccessible for several years due to dozens of land mines.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.