Hundreds of people who are convinced the world will end on December 21 are flocking to a supposedly mystical mountain in Serbia.
Hotels at the base of Mount Rtanj are being inundated with booking requests from believers of the Mayan prophecy.
Doomsday cultists believe the area has mysterious powers that will save those who live there from the apocalypse.
Followers of the end-of-the-world scenario think the 5,100ft-high (1,554m) mountain, part of the Carpathian range, conceals a pyramidal building inside, left behind by alien visitors thousands of years ago.
They believe that it emits special energy that could be channelled to protect them from the end of life as we know it.
"In one day we had 500 people trying to book rooms. People want to bring their whole families," The Daily Telegraph reported hotel manager Obrad Blecic as saying.
Predictions of an apocalypse are linked to the fact that the 5,125-year-old calendar of the ancient Mayans, who dominated large stretches of southern Mexico and Central America centuries ago, comes to an end on December.
Internet speculation had initially identified the village of Bugarach in France as the only place that would survive the apocalypse.
However, the mayor announced that over 100 police officers will seal off the village From December 19 to 23 to keep out Doomsday groups.
