presidio
is a fortified base established by the Spanish in areas under their control or influence. The term is derived from the Latin word praesidium meaning protection or defense
Presidio San Augustin del Tucson
New Spanish XVIII century fort and historic ste in Arizona
San Felipe Fortress
colonial Spanish fort and historic building in Bacalar, Mexico
Presidio of Santa Barbara
18th-century Spanish fort in Santa Barbara, California, USA
Frontera de los Apaches presidio
New Spanish XVII century fort in Sonora, Mexico.