Make tracks to Fort Schuyler and learn about its role in defending the area. This structure has witnessed some interesting history during its time.
You'll have no end of sightseeing choices when visiting Bronx. Fort Schuyler is a good place to start here, but there are numerous other worthy places to explore. Bronx Zoo, Citi Field, and St. John's University are not far from the history-filled fortress and and will cap off your day nicely.