Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

The underground sanctuary of a mysterious ancient Roman religious cult contains an exquisite traditional fresco.

Occult books, tarot, oddities.

Northern Ireland's Brobdingnagian stepping stones.

Death rituals and sacrifice inside a Peruvian megalith.

This was once the center of the Birdman cult, and is now a World Heritage Site.

This Stone Age solar temple aligns with the sun on each equinox and solstice.

One of the most well-preserved temples of ancient Egypt.

Ozymandias’ time-keeping temple.

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

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

Gargoyle head that brings good luck.

A nondescript dirt lot hides an intriguing center of shamanic healing.

Mongolian Buddhists believe this monastery in the Gobi desert to be the center of the world's spiritual energy.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Home of an evil witch famous within southern folklore.

A deadly ancient portal to the underworld.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

Italian cave with exceptional acoustics and an unsavory history.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

Virgil's many-mouthed gateway to the underworld.

Ancient Greek oracle of the dead.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.