Tiny communists hammer away on the Olomouc Astronomical Clock.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

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

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

An enormous and lavish Gothic church in Czechia.

Be(w)ar(e) the moat around this historic Czech castle.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

A cheeky architectural easter egg.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

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

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

Mummified monks and the accidentally interred, in a 17th-century crypt.

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

Europe's second largest ossuary wasn't discovered until 2001.

A mocking tribute to the past and modern leadership of Prague.

Macabre astrological automaton clock dating to the late 1400s.

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

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This no man's land slicing through the island is strewn with abandoned relics of another time.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.