11 Hidden Spots to Enter the Underworld...
There are plenty of places you can visit that are... ...an entrance to their underworld: Xibalba.The name Actun Tunichil Muknal translates as "Cave of the Crystal Sepulchre." Ex... ...ba."Since their rediscovery in 1989, the caves of Actun Tunichil Muknal have become a popular destination for explorers.... .....
https://www.neatorama.com/2016/10/04/11-Hidden-Spots-to-Enter-the-Underworld/
