A block house from Colonial America

Block House

A block house from Colonial America

A quickly made fortress used as a temporary means of defense.

Block House

A quickly made fortress used as a temporary means of defense.

Blockhouses, built of heavy logs with the second story overhanging the first, were created for defense against enemies.

Blockhouse

Blockhouses, built of heavy logs with the second story overhanging the first, were created for defense…

A Spanish Block-House Destroyed by United States Artillery.

Spanish Block House

A Spanish Block-House Destroyed by United States Artillery.