There is no better time to visit Yellowstone National Park than September as the crowds dwindle, the wildlife begin to move and the foliage puts on a show. Grand Prismatic. Today’s Jackson Hole real estate activity: NEW: Alpine Mountain Townhome near Snow King with 2 beds, 1,020 square feet and a detached 1-bed garage built in 1995, listed by Clear Creek Group for $595,000. NEW: Sno-King Townhouse...