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

A perfectly preserved hill village where the buildings are painted like white lace.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Real bones which are said to have belonged to a Polish dragon.

A gorgeous stone viaduct crosses over a bucolic valley.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

Too much gossip or just missing curfew could land you in here for a couple of days.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

When the river dries up, these stones start talking.

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

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A striking public sculpture representing the period of martial law in Communist Poland.

The site of one of the largest prison escapes of World War II.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

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

The world’s narrowest house makes for an awkward, four-foot-wide living space.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

The giant metal fruit was once the symbol of a large farm.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.