The foundations of the 'Tower of Antonia', part of the remains of the Antonia Fortress - a military barracks built by Herod the Great in Jerusalem on the site of earlier Ptolemaic and Hasmonean strongholds, named after Herod's patron Mark Antony. The fortress was built at the eastern end of the great wall of the city (the second wall), on the northeastern side of the city, near the temple and Pool of Bethesda.