Deadly forests, haunted houses, and mountains where visitors never return alive: a look at what constitutes an evil place and whether these locations are imbued with dark energy that is currently beyond understanding.

For centuries, archaeologists have tried to figure out the mysteries of how and why incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel and Coral Castle were built.

Millions of people around the world claim to have had an encounter with creatures unlike any recognised by mainstream science, such as the mothman, chupacabra, and Mongolian death worm.

An exploration of many mysterious occurrences, including the formation of the Devil's Tower and why some people get struck by lightning multiple times.

Ancient practises such as prayer, blood sports, voodoo and exorcism are often thought to be relics of bygone superstition, but there is evidence they have an impact on the physical world.

The age old question of what happens after death. The clues to the answer may lie in unusual cases of near-death experience, reincarnation, and how memories can be passed from organ donors to transplant recipients.