abatis, advanced work, anthill, arch, arch dam, backstop, balistraria, bamboo curtain, bank, bank up, banquette, bar, barbed-wire entanglement, barbican, barrage, barricade, barrier, barrow, bartizan, bastion, battlement, bear-trap dam, beaver dam, boom, boundary stone, brae, brass, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, bust, butte, cairn, casemate, cenotaph, cheval-de-frise, circumvallation, cock, cofferdam, column, contravallation, counterscarp, cromlech, cross, cup, curtain, cyclolith, dam, defense, demibastion, dike, ditch, dolmen, down, drawbridge, drift, drumlin, dune, earthwork, elevation, embankment, enclosure, entanglement, escarp, escarpment, fell, fence, fieldwork, foothills, footstone, fortalice, fortification, gate, glacis, grave, gravestone, gravity dam, groin, haycock, haymow, hayrick, haystack, headstone, heap, heap up, hill, hillock, hoarstone, hummock, hump, hydraulic-fill dam, inscription, iron curtain, jam, jetty, kitchen midden, knob, knoll, leaping weir, levee, logjam, loophole, lunette, machicolation, mantelet, marker, mass, mausoleum, megalith, memento, memorial, memorial arch, memorial column, memorial statue, memorial stone, menhir, merlon, milldam, moat, mole, molehill, monolith, monticle, monticule, monument, moor, mountain, mow, necrology, obelisk, obituary, outwork, palisade, parados, parapet, pile, pile up, pillar, plaque, portcullis, postern gate, prize, pyramid, rampart, ravelin, redan, redoubt, reliquary, remembrance, ribbon, rick, rise, roadblock, rock-fill dam, rostral column, sally port, sand dune, scarp, sconce, seawall, shaft, shock, shrine, shutter dam, slope, snowdrift, stack, stack up, stela, stockade, stone, stone wall, stupa, swell, tablet, tell, tenaille, testimonial, tomb, tombstone, tope, tor, trophy, tumulus, vallation, vallum, wall, weir, wicket dam, work