The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

These natural cliffs look like they are a part of an old castle complex.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

This Swedish sculpture park is a unique combination of ancient ruins and modern art.

The oldest hydroelectric plant in Czechia is now a museum.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

The site where the famous city gate once stood, now in the middle of a playground.

The floating gallery illuminates the heart of Québec City's arts district.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

The location where a famous medieval knight was murdered.

The "dragon babies" of southeastern Europe.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.