Baiheliang Underwater Museum

The Baiheliang Underwater Museum or "White Crane Ridge Underwater Museum" is an underwater museum built around the White Crane Ridge of Fuling District, Chongqing. It is China's first underwater museum.The museum is located on the Yangtze River in the Three Gorges area, near the Three Gorges Dam; it opened on May 18, 2009. The construction of the museum began in 2002 and has cost around US$28 million. The main architect was Ge Xiurun of the Institute of Rock and Soil Mechanics and the Chinese Academy of Sciences.Baiheliang is an archeological site in northern Fuling District that has since been submerged underwater due to the building of the Three Gorges Dam. The museum displays centuries-old inscriptions recording changes in the water level of the Yangtze River for around 1,200 years. The site consists of a stone ridge that is 1,600 meters by 15 meters in size. It is now submerged under 43 meters of water.

Source: Wikipedia