LEGOLAND® Discovery Center San Antonio is the Ultimate Indoor LEGO® Playground! Visitors to LEGOLAND Discovery Center can enjoy 2 rides, a 4D cinema, MINILAND® San Antonio, 10 LEGO Play Zones and more! Families with children ages 3-10 won’t want to miss out on the fun! LEGOLAND Discovery Center San Antonio is located inside the Shops at Rivercenter in the heart of downtown San Antonio, steps away from the historic Alamo and World Famous River Walk! Please Note: Adults must be accompanied by at least one child (aged 17 and under) to visit.