Defensive facility posters & prints

Grianan of Aileach Anonymous

Housesteads Fort and Hadrian's Wall Anonymous

Rock of Cashel Anonymous

Fort Ladder 1 David Roseburg

Broadway Tower Anonymous

Round Tower at Rock of Cashel Anonymous

San Francisco Bay, 1937 Anonymous

Dover Castle Anonymous

The Great Wall of China Anonymous

Fog Rolling Under Golden Gate Bridge Anonymous

Walled Hillside Town of Monteriggioni, Italy in Spring Green Anonymous

La Defence Joas Souza

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

Lights of La Defense Joas Souza

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

Stern View of "City of Windham" Anonymous

United States Disciplinary Barracks, Fort Leavenworth Anonymous

Federal Bullion Depository at Fort Knox Anonymous

Executive operations, Automobile industry Anonymous

Russian Armed Forces Anonymous

Exterior View Of Largest Steel Foundry Anonymous

Destructive Fire at the New-Cross Railway Station: Ruins of the Octagon Building Anonymous

Chancery Lane safe deposit facility Anonymous

Scene from the Defense of the Park of Chatillon, France Anonymous

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

Encampment of Foor Guards, at the Eastern End of the Great Exhibition Building Anonymous

Aerial View of Cuban Missile Facility Anonymous

French squadron on the objective; factories at the edge of a river Etienne Cournault

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

Aerial View Of Petrochemical Plant Anonymous

Roper Hospital, Charleston, S.C., where the Federal wounded were confined, USA Anonymous

The Conciergerie Anonymous

Defence of Petrograd by all our Forces, 1919 Alexander Apsit

Building for the aeronautical section of AEG, Hennigsdorf near Berlin Anonymous

Depue Warehouse #6, Dustbin Salute Gordon Osmundson