Drone panning from the left to the right over a natural rock landmark in the middle of a crossroad in a wooded area in Tsarichina Hole village in Bulgaria

tsarichina hole area 51 bulgaria excavation tsar samuil paranormal activity clairvoyant baba vanga conspiracy theory military excavations mysteries mysterious phenomenon extraterrestrials tourist tourism attraction destination golyamo gradishte strandzha mountains oak forest strandzha nature park pristine location dark energy supernatural archaeological site infamous strange artefacts ufo sightings alien mystery predictions bizarre mysteries ufos shadow people ghosts psychic mediums government coverups paranormal plains highways forests trees landscape dirt road grass wildflowers thicket landmark