The Redstone Test Stand or Interim Test Stand was used to develop and test fire the
Redstone missile, Jupiter-C sounding rocket, Juno I launch vehicle and Mercury-Redstone launch vehicle. It was declared an Alabama Historic Civil Engineering Landmark in 1979 and a National Historic Landmark in 1985. It is located at NASA's George C. Marshall Space Flight Center in Huntsville, Alabama on the Redstone Arsenal, designated Building 4665.
Wikipedia https://en.wikipedia.org/wiki/Redstone_Test_Stand
Coordinates 34°37'57.644" N -86°39'59.37" E