The Ancient Ruins is a limited time premium decoration released on October 6, 2015, during the Treehouse of Horror XXVI Event.
It was re-released on November 8, 2017, during the Treehouse of Horror XXVIII Event. It was re-released again on October 25, 2018, during the Treehouse of Horror XXIX Event. It returned on September 25, 2019, as part of Cthulhu's Revenge 2019 Event.
- Only one can be purchased.
- It can be placed on grass, pavement, dirt, beach, boardwalk, pier, edge of boardwalk, or edge of pier.