Defensive wall posters & prints

Vertical Section of Great Wall of China Anonymous

Great Wall Anonymous

Illustration of Wooden Wall in Colonial New York Anonymous

Walls of the Pingyao ancient city Anonymous

Great Wall Anonymous

Walls of Avila in Spain Anonymous

The Siege of Basing House, 1645 Wenceslaus Hollar

The defences of Jericho in the Pre-Pottery Neolithic A period, c.1930-6 English Photographer

Grianan of Aileach Anonymous

Fort Ladder 1 David Roseburg

Walls of Antioch, 1894 T.A. Archer

Demonstration of defensive measures to protect a city against a besieging army Albrecht Dürer or Duerer

The Roman Wall - The Nine Nicks of Thirlwall, 1880-89 David Mossman

View of battlements and lighthouse Anonymous

Section of the Paris right bank city wall constructed between 1190 and 1209 on the orders of Philippe II Auguste,... French School

City walls, Samarra, Mesopotamia Anonymous

Housesteads Fort and Hadrian's Wall Anonymous

Moat Surrounding Forbidden City Anonymous

Double corvus or crane for breaking the blow of a battering ram Anonymous

The War on the Punjaub Frontier: The Fortress of Attock, Pakistan, 1868 Anonymous

The Prospect of Sterling Castle Andrew Johnston

Defence of Cuba, 1898 Alvarez Sala

Agricultural scene, Hunawihr, Alsace-Lorraine, France Anonymous

Enhance the Defense of the Motherland's Borders Chinese Poster Anonymous

Entrance to the Fort de Salses, built 1497-1504 Francisco Ramirez

Wall of London Anonymous

Broadway Tower Anonymous

Dover Castle Anonymous

Bedouins on Route Adolf Schreyer

The Butcher at the Montmartre Market, 1857-58 Honore Daumier

Walled Hillside Town of Monteriggioni, Italy in Spring Green Anonymous

The Great Wall of China 1873 Anonymous

View of Tower Postern and London Wall with men digging, City of London John Wykeham Archer

Round Tower at Rock of Cashel Anonymous

Relief on the Ishtar Gate, Babylon Anonymous

Exterior view of Fort Sumter, S.C Anonymous