"Horbat 'Itab, a 130-dunam national park on the outskirts of Nes Harim, contains the ruins of a Crusader fortress that overlooked the road from Emek HaEla to Jerusalem and the village of Bayt 'Itab.The site was surveyed in 1989 by Denys Pringle, a researcher of the Crusader period, who documented the remains of the fortress, vaults, a wall and towers, tunnels, a columbarium and an olive press.