21. The walls stretch along the south of the town with eight towers and two gatehouses . 22. The gatehouses provide five additional guest bedrooms. 23. Bastilles were often forts, but could be more similar to gatehouses in smaller settlements. 24. He designed the gatehouses where the guardians of the park lived to look like rustic cottages. 25. Strongly fortified gatehouses controlled entry to the monastic enclosure, which was defended by a wall. 26. York has four important gatehouses , known as " Bars ", in its city walls. 27. The complex has three components : the inner and outer gatehouses and a courtyard in between. 28. He added various parts to the fortress, such as the gunpowder stores and additional gatehouses . 29. The three white Gatehouses remained in federal government ownership for many years, but stood vacant. 30. The Washington Park reservoirs and their gatehouses and fences are also listed on the National Register.