An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

This enchanting hill is home to fairy lore and a sinister local mystery.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This museum dedicated to divination also honors a local 10th-century prophetess.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

A stunning Victorian abbey and walled garden on a lakefront.

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

Ancient Bronze Age rampart that was used into the middle ages.

This ancient Irish landscape boasts hundreds of legendary ruins.

Cold storage for agricultural biodiversity.

1513 Turkish world map, full of European state secrets and snarky commentary.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A dreamy mausoleum honors Persia's most famous poet.

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

The most visited, and possibly most controversial, museum in Germany.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The large collection of pre-Columbian pottery might make you blush.