Castra is a Latin term used during the Roman Republic and Roman Empire for a military 'camp', and castrum for a 'fort'.
A lidar view of Cawthorne Camp and forts in North Yorkshire.
Reconstruction of the specula or vigilarium (Germanic burgus), "watchtower", a type of castrum, at Rainau-Buch, Germany. An ancient watchtower would have been surrounded by wall and ditch.
A lidar view of Richborough Castle Roman fort and amphitheatre at the site of Rutupiae and part of Richborough port (HER 1916–1945) in Kent.
Reconstructed east gate of a castrum stativum, a more permanent base, at Welzheim, Germany
A fortification is a military construction designed for the defense of territories in warfare, and is used to establish rule in a region during peacetime. The term is derived from Latin fortis and fac
Castra
…Castra (pl.) is a Latin term used during the Roman Republic and Roman Empire for a military 'camp', and castrum (sing.) for a 'fort'. In current English use, the peculiarity of the noun having different meanings in the singular and plural is sometimes less rigorously observed, given…
Castillo San Felipe del Morro, Puerto Rico. The fortress and walled city of Old San Juan are a UNESCO World Heritage Site.
Maiden Castle in 1935. The Iron Age hillfort was first built in 600 BC.
Han dynasty tomb brick showing gate towers
Remains of a fortified village, Borġ in-Nadur, Malta. Borġ in-Nadur is a notable example of Bronze Age fortifications.