Mount Rushmore in popular culture face of a national monument was refused by the National Park Service. In the movie, the villain's house is located on a fictitious forested plateau above the monument. Other scenes, including the view of the Memorial's parking lot, the patio at the Memorial concession, the scene in the dining room of the concession and the loading of the body into the ambulance, were actually shot at Mount Rushmore. All of the other scenes involving Mount Rushmore were filmed on Hollywood soundstages. The reference in the movie to the Sheraton-Johnson Hotel in Rapid City, South Dakota is accurate, the hotel still
Mount Rushmore of Mount Rushmore", posing for photographs with thousands of tourists. He became one of the most photographed people in the world. The ongoing conservation of the site is overseen by the National Park Service. Physical efforts to conserve the monument have included replacement of the sealant applied originally by Gutzon Borglum, which had proved ineffective at providing water resistance. The components of Borglum's sealant included linseed oil, granite dust, and white lead, but a modern silicone replacement is now used, disguised with granite dust. In 1998, electronic monitoring devices were installed to track movement in the topology of the sculpture