Featured
MILITARY · INTERPRETIVE SIGN
Castillo de San Marcos
St. Augustine, Florida · National Historic Civil Engineering Landmark
Military
14
Castillo de San Marcos was recognized as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1852, and by ASCE in 1976.
PHOTOS
Photo: Cosmos Mariner
Photo: Cosmos Mariner
Photo: Cosmos Mariner
Photo: Cosmos Mariner
Photo: Cosmos Mariner
FIND IT
St. Augustine, Florida · USA
© 2026 MainEngine