shoreline to the north-east is the Crab Quay Battery, a set of defences originating in the 16th century, intended to prevent an amphibious landing on the headland, and modernised extensively in 1902. See also Captain of Pendennis Castle Castles in Great Britain and Ireland List of castles in England Notes References Bibliography External links English Heritage visitors' information Defending England's shores on Google Arts & Culture 1542 establishments in England Buildings and structures completed in 1542 Device Forts Forts in Cornwall Military history of Cornwall Battles involving the Cornish English Heritage sites in Cornwall Tourist attractions in Cornwall Castles in Cornwall Buildings and structures in Falmouth, Cornwall Grade I listed buildings in Cornwall Museums in Cornwall Military and war museums in England Grade I listed castles 16th-century forts in England Scheduled monuments in Cornwall Grade I listed forts Henry VIII