Architectural Oddities in St. Augustine

Discover 3 architectural oddities in St. Augustine.

Castillo de San Marcos from above.

St. Augustine, Florida

Castillo de San Marcos

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Castle Otttis

St. Augustine, Florida

Castle Otttis

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

Fort Matanzas

St. Augustine, Florida

Fort Matanzas National Monument

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Are we missing something unusual in St. Augustine?