Outwork
71Land mine — For other uses, see Land mine (disambiguation). Minefield redirects here. For other uses, see Minefield (disambiguation). Examples of anti personnel mines. From left to right: an M14, Valmara 69 (a bounding mine), and VS 50 …
72Medieval fortification — This article is part of the series on: Medieval History By Region Medieval Armenia Medieval Bosnia Medieval England Bulgarian Empire Byzantine Empire …
73Barbed wire — For other uses, see Barb wire (disambiguation). A close up view of a barbed wire barb …
74Castle — This article is about medieval fortifications. For other uses, see Castle (disambiguation). For a list of all castles, see List of castles. For similar but unrelated structures in Japan, see Japanese castle …
75Mons — This article is about the city in Belgium. For other uses, see Mons (disambiguation). Montes redirects here. For other uses, see Montes (disambiguation). Mons The Belfry in Mons …
76Bunker — This article is about the military fortification. For other uses, see Bunker (disambiguation). Bunkers in Albania A military bunker is a hardened shelter, often buried partly or fully underground, designed to protect the inhabitants from falling… …
77Defensive wall — See also: List of cities with defensive walls Part of the Great Wall of China, a UNESCO World Heritage Site …
78Bass Rock — Infobox Scottish island | latitude=56.08 longitude= 2.64 GridReference=NT602873 celtic name= norse name= meaning of name=Uncertain area= 3 ha area rank= highest elevation=107 m Population=0 population rank= main settlement= island group=Islands… …
79Moat — For information on the moat of a tropical cyclone, see eye (cyclone). For the gunman, see Raoul Moat. The moated manor house of Baddesley Clinton in Warwickshire, England A moat is a deep, broad ditch, either dry or filled with water, that… …
80Hill fort — Maiden Castle in England is one of the largest hill forts in Europe.[1][2] Photograph taken in 1935 by Major George Allen (1891–1940). A hill fort is a type of …
