From the Wikipedia page 
The South Carolina State Museum is a state-of-the-art facility featuring four floors of permanent and changing exhibits, a new digital dome planetarium, 4D interactive theater and an observatory. The State Museum, the largest and most comprehensive museum in the state, is located along the banks of the Congaree River in downtown Columbia, South Carolina. Positioned on an old shipping canal that dates back to pre-Civil War times, the museum is widely recognized as a resource for South Carolina history and lifestyle. The museum opened on October 29th, 1988 and is housed in what it calls its largest artifact, the former Columbia Mills Building, listed on the National Register of Historic Places in 1982. When the mill opened in 1894, manufacturing cotton duck cloth (a canvas-like material), it was the first totally electric textile mill in the world. It was also the first major industrial installation for the General Electric corporation. On certain levels of the museum, the original flooring has been kept intact, distinguishable by hundreds of textile brads and rings (that carried the threads during the spinning process) that became embedded in the floor while it was still being used as a mill.
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