Examining whether 2,000 years of reports of seemingly miraculous celestial phenomena relate to religion or something else.

Mysterious graves of people with huge skulls are uncovered in the Alpine region.

Prehistoric Europe has been chronicled with around 350,000 rock paintings, including some depicting curious creatures with helmets or ray wreaths, in Valcamonica.

Studying creatures with big eyes and strange clothing depicted by the mysterious Vinca culture, which spread along the Danube River more than 6,000 years ago.