A concrete plant shaped like four giant soldiers commemorates one of the most decisive battles of the Napoleonic Wars.

An enormous and lavish Gothic church in Czechia.

Every part of this unusual home is built into the sandstone rock.

An Orwellian sculpture with eyeball cameras watches passersby.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A spiral staircase twists to the top of this unusual Czech lookout tower.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

A Jenga-style cylindrical tower of books that appears to go on forever.

Bohemian paradise covered in majestic forests.

A church of bones, decorated with 40,000 human skeletons.