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

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

A cheeky reminder about the value of art dangles above one of Olomouc's busiest streets.

This former quarry is now a picturesque gorge that hides a sunken lake.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

This spherical sculpture has also been dubbed "the steel orange" due to its likeness to a massive, sliced piece of citrus.

This abstract sculpture once had a twin in Prague.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

A surreal statue honoring Prague's favorite literary son.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.