From 1907 until 1939, Sam Hill was instrumental in the development of the area known as Maryhill, on the southern border of Washington state, overlooking the Columbia River.
http://www.historylink.org/index.cfm?DisplayPage=output.cfm&File_Id=5072
He built a replica of Stonehenge, as it would have originally looked, as well as a palatial estate that he donated to the State as a museum. Today it holds many examples of Native American art and artifacts, as well as many of the treasures of Queen Marie of Romania, with whom he had become friends.
http://www.maryhillmuseum.org/