Countless grotesque faces stare out from this eerie Prague art wall.

A beautiful display of nearly 50 bells crafted with a unique design and distinct sound.

"Medieval" castle built in the mid-20th century by one family.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

The abandoned military base looks like a post-apocalyptic wasteland.

The remains of an entire Roman city can be explored in this interactive museum.

An industrial site turned into Hungary's most cherished natural wonder.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Museum dedicated to the terror regimes of Hungary.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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