Pingtang Tiankeng Group Scenic Area

This national geological park, located in Tangbian Town, Pingtang County, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province, is one of China's most concentrated clusters of sinkholes, boasting 21 sinkholes of varying sizes. It is hailed by geologists as a "Natural Sinkhole Museum" and a "World Karst Holy Land." The scenic area primarily features three open sinkholes: Dadaihe Sinkhole, Daotuo Sinkhole, and Xiajiatuo Sinkhole. Among them, Dadaihe Sinkhole is considered the foremost of the world's three super sinkholes, with both its opening diameter and depth exceeding 500 meters. Three waterfalls cascade simultaneously down its walls, and a complete tropical rainforest vegetation is preserved at its bottom, making it a tourist destination that integrates geological wonders, ecological sightseeing, and scientific exploration.