Phu Wiang Dinosaur Museum

Phu Wiang Dinosaur Museum (Thai: พิพิธภัณฑ์ไดโนเสาร์ภูเวียง) is a geological museum mainly exhibiting fossils. It is under the administration of the Department of Mineral Resources, Ministry of Natural Resources and Environment, the Royal Thai Government, and situated in the Khok Sanambin public area in Tambon Nai Muang, Wiang Kao district, Khon Kaen province in the northeastern region of Thailand. The museum was constructed with a budget from the Tourism Authority of Thailand under supervision of the Department of Mineral Resources and comprises an area of 40 acres (160,000 m²). It has been open to the public since 2001.

Beginning in 1970, the US Geological Survey conducted a mineral exploration in the Phu Wiang area of Khon Kaen province and discovered a type of uranium ore, coffinite, in association with copper ores, azurite and malachite. The International Atomic Energy Agency (IAEA) later joined in. Between 1975 and 1980, the Department of Mineral Resources conducted a detailed drilling program and in 1976 Sudham Yaemniyom, a geologist, discovered a piece of bone on a streambed, Huai Pratu Tima, which was later identified as a distal part of the left femur of a sauropod dinosaur (a large plant-eating dinosaur walking with 4 legs with long neck and long tail), regarded as the first dinosaur discovery of Thailand.

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