 Native American mounds from the Middle Woodland Period more than two thousand years old are also found on the cemetery grounds.Church Park includes the sites of the first (1815 to 1822) and second (1822) Harmonist churches.Other notable Harmonist sites and structures include the Rope Walk, part of the original 1,100-foot walk used to stretch, dry, and twist hemp into rope and the Harmonist Labyrinth, replanted and rebuilt in 1939 near its original site.