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

The plague quarantine island home to the alleged "Vampire of Venice."

Thirty creepy ghosts now inhabit this decaying 14th-century church.

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

This rusting remnant of the local herring industry is being given a second life.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

The summer tourists on these cliffs are thousands of seabirds.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

The oldest church in Iceland is one of the few to feature ornate decoration.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This abandoned oil depot produces world's longest echo in a manmade structure.

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

Enter the world under the hill at this ancient UK burial chamber.

This Scottish burial tomb once held hundreds of ancient eagle bones.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

A site of pagan worship which still attracts people looking for fairies.

This stately estate house features a tower covered in a bright, modern mural.

A pagan tradition of draping trees with rags eerily lives on.