The AmericaJR Web Team recently visited downtown San Antonio, Texas. The city of San Antonio, is the seventh most populous city in the United States and the second most populous city in both Texas and the Southern United States. Founded as a Spanish mission and colonial outpost in 1718, the city became the first chartered civil settlement in Texas in 1731, making it the state’s oldest municipality. The city contains five 18th-century Spanish frontier missions, including The Alamo and San Antonio Missions National Historical Park, which together were designated a UNESCO World Heritage Site in 2015. Other notable attractions include the River Walk, the Tower of the Americas, SeaWorld, the Alamo Bowl, and Marriage Island.