(A machine translation of the Spanish-language wikipedia entry http://es.wikipedia.org/wiki/Loltún )
Loltún caves (the Mayan “Stone Flower”) are part of the extensive cave system located in the southern state of Yucatan, Mexico. Are 5 km south of Oxkutzcab and 110 km southeast of Mérida.
Among the most important findings in Loltún found evidence of settlements dating from the Pleistocene cave paintings (including negative human hands, faces, animals and stepped frets), Mayan sculptures and tools and even the bones of bison, mammoths and saber-toothed tiger, which are evidence of climate changes to which the area has been subjected.
Lol-Tun Caves, Yucatan.
Loltún caves are to be upgraded easily traveled along its 2 km long, however, must come accompanied by a guide. It is estimated that the caves have a total length of 8 to 10 km but only have 2km been explored which are open to the public, it is noteworthy that despite reaching 65 m deep inside you feel a warm climate because the openings 9 which has the grotto.