A blockhouse is a small fortification, usually consisting of one or more rooms with loopholes, allowing its defenders to fire in various directions. It is usually an isolated fort in the form of a sin
Completed in 1750, Fort Edward, Nova Scotia in Canada is the oldest remaining military blockhouse in North America.
Reconstructed European wooden keep at Saint-Sylvain-d'Anjou, France, has a strong resemblance to a North American western frontier log blockhouse
The Henrican blockhouse at Mount Edgcumbe near Plymouth, Devon, which is believed to date from circa 1545
Blockhouse of Westreme Battery, built in 1715–16 in Mellieħa, Malta
A pillbox is a type of blockhouse, or concrete dug-in guard-post, often camouflaged, normally equipped with loopholes through which defenders can fire weapons. It is in effect a trench firing step, ha
Blockhouse
…blockhouses like those constructed in England in 1940 were built in anticipation of a German invasion; they were often hexagonal in shape and were called "pillboxes". About 28,000 pillboxes and other hardened field fortifications were constructed, of which about 6,500 still survive. The Admiralty Citadel in London…
A World War II hexagonal pillbox on the bank of the Mells River at Lullington, Somerset, England
A British mini-pillbox in Jerusalem
A British World War II type 22 hexagonal pillbox in Kelling on the North Norfolk coast, England. The pillbox broke up during winter storms in February 2021.
A British World War II type 25 circular pillbox on Sheephatch Lane near Tilford in Surrey, England