Stone Mountain mountain until it was purchased by the State of Georgia in the 1950s. Martin Luther King, Jr. mentioned the monument in his 1963 "I Have a Dream" speech in Washington, D.C., when he said "let freedom ring from Stone Mountain of Georgia!" During the 1996 Summer Olympics, Stone Mountain Park provided venues for Olympic events in tennis, archery and track cycling. The venues for archery and cycling were temporary and are now part of the songbird and habitat trail. Some of the outdoor scenes for the Netflix series "Stranger Things" were filmed in the park. According to George Weiblen's annotated
Stone Mountain (Pennsylvania) fossils. Across the Kishacoquillas Valley, on the opposite side of the Jacks Mountain anticline, the same rock layers are repeated in reverse order on Jacks Mountain. Stone Mountain (Pennsylvania) Stone Mountain is a stratigraphic ridge in central Pennsylvania, United States, trending northwest of the Jacks Mountain ridge and Jacks Mountain Anticline. The ridge line separates Kishacoquillas Valley from the Seven Mountains area. Stone Mountain lies in, and the ridge line forms part of the border between, Mifflin and Huntingdon counties. Pennsylvania Route 305 crosses the ridge and follows a valley along a fault line at near Greenwood Furnace State Park.