Defensive facilities posters & prints

Housesteads Fort and Hadrian's Wall Anonymous

Fort Ladder 1 David Roseburg

Grianan of Aileach Anonymous

Broadway Tower Anonymous

Round Tower at Rock of Cashel Anonymous

Rock of Cashel Anonymous

Dover Castle Anonymous

San Francisco Bay, 1937 Anonymous

Walled Hillside Town of Monteriggioni, Italy in Spring Green Anonymous

Fog Rolling Under Golden Gate Bridge Anonymous

Sant'Angelo Bridge and Castel Sant'Angelo at night Anonymous

The Great Wall of China Anonymous

Design for a Fortification on the Outskirts of Paris - a Perspective View, Section and Three Floor Plans of the... French School

U.S. Army's Anti-missile System Complex Anonymous

Great Wall of China Anonymous

La Defence Joas Souza

Warehouse Facilities in Guantanamo Anonymous

Aerial View of Launch Facilities at Peenemunde Anonymous

United States Disciplinary Barracks, Fort Leavenworth Anonymous

Aerial View Of Petrochemical Plant Anonymous

Federal Bullion Depository at Fort Knox Anonymous

Radio transmission facility in Norddeich, Germany, c.1933 German Photographer

View of battlements and lighthouse Anonymous

The Conciergerie Anonymous

State Department, (State Anonymous

Rows of Posts in Front of the Maginot Line, ca. 1940 Anonymous

Premises Occupied by the Architectural Societies of London Conduit Street Anonymous

Progress of the Great Exhibition Building: Hoisting Apparatus Anonymous

Millville, New Jersey - Scenes. A view of Whitall Tatum Company houses Lewis Hine

Crawler moving Space Shuttle to launch complex 39, Kennedy Space Center, USA, 1980s NASA

Corrugated Metal Silos #3 Gordon Osmundson

The Citadel, Marion Square Anonymous

Executive operations, Automobile industry Anonymous

Aerial View of Cuban Missile Facility Anonymous

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

Ordnance Depot at Broadway Landing, USA Anonymous