There has been a castle at Glenarm since the 13th century, where it resides at the heart of one of Northern Ireland's oldest estates. The present castle was built by Sir Randal MacDonnell, 1st Earl of Antrim, in 1636, and it has remained in the family since its construction. It is currently owned by Randal, Viscount Dunluce, the son of Alexander McDonnell, 9th Earl of Antrim. The McDonnells have been in Glenarm for nearly 600 years and the Estate has been in the family for 400 years.
The Castle's Walled Garden is open to the public between May and September and hosts many events.References:
Built around AD 90 to entertain the legionaries stationed at the fort of Caerleon (Isca), the impressive amphitheatre was the Roman equivalent of today’s multiplex cinema. Wooden benches provided seating for up to 6,000 spectators, who would gather to watch bloodthirsty displays featuring gladiatorial combat and exotic wild animals.
Long after the Romans left, the amphitheatre took on a new life in Arthurian legend. Geoffrey of Monmouth, the somewhat imaginative 12th-century scholar, wrote in his History of the Kings of Britain that Arthur was crowned in Caerleon and that the ruined amphitheatre was actually the remains of King Arthur’s Round Table.
Today it is the most complete Roman amphitheatre in Britain.