The San Jacinto Monument is a towering structure located in Harris County, Texas. It commemorates the Battle of San Jacinto, which took place on April 21, 1836, and was a decisive victory for the Texian army in the Texas Revolution against Mexico. The monument stands 567 feet tall, making it the tallest stone monument in the United States. Visitors can explore the surrounding San Jacinto Battleground State Historic Site, which includes a museum that showcases artifacts and exhibits related to the battle and Texas history. The monument features an observation deck that offers panoramic views of the area, allowing guests to appreciate the historical significance of this landmark.