San Jancinto Museum of History


Real-time intelligence. Smart bombs. Remote-control aircraft. These are tools of modern warfare. But at San Jacinto, Texian and Mexican soldiers used weapons of the old school — gripping wood and iron as they held the gaze of the enemy’s eyes.

From blades to bullets, learn about the weapons that stretched America’s borders to the Pacific Ocean, fueled America’s arrival on the world stage — and redefined our culture.


Over the years, metal-detector-wielding treasure-hunters have donated enough cannonballs to stock a small arsenal. You can get a glimpse of some of them above, and see where they were found by zooming in to the map above. Do you have a cannonball that needs a new home? Consider donating it to the museum!