The Columbia Gorge Discovery Center & Museum is the official interpretive center and history museum about the Columbia River Gorge located on 54 acres (22 ha) in The Dalles, Oregon. Opened in 1997, the 48,200-square-foot (4,480 m2) Center features exhibits about the area's geology, Ice Age prehistory, Native American culture and basketry, exploration by Lewis and Clark and others on the Oregon Trail, settlement, transportation and natural history. The Wasco County Historical Museum is a 17,200 square-foot exhibit wing which tells the history of the people of Wasco County, Oregon.