Amy Gutmann Hall is a sixstory, 116,000squarefoot building set to open in January. Fallingwater is a house museum in Stewart Township in the Laurel Highlands of southwestern Pennsylvania, United States.The Pagoda is a novelty building, built atop the south end of Mount Penn overlooking Reading, Pennsylvania, United States. Our one-of-a-kind historic Playhouse offers three floors of interactive play. Along Route 6 in the PA Wilds is Lynn Hall, a building with visual similarities and actual ties to Frank Lloyd Wright's famous Fallingwater.