Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

The patron saint of spinsters grasps a container of dried blood.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

"The most colorful grottoes of the world.

This "floating railway" is one of the world's oldest monorail systems.

When the rain falls, this drain system turns into a musical instrument.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Ruins of a German Castle on top of a towering stone pillar.

A slice of central Asia in the middle of Berlin.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

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

This memorial museum chronicles the apocalyptic destruction of the First World War.

A moving memorial to the fallen and missing from WWI trenches.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

A rare example of World War I trenches from the British front.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

Rock carving created 1,300 years ago 75 feet off the ground.

Mysterious standing stone formations looks like a petrified forest.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

UNESCO-protected ancient burial ground.

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