This leading science and space learning institution is the official visitor center of NASA’s Lyndon B. Johnson Space Center and Mission Control. The Space Center offers a captivating look into the world’s largest space program – attractions include interactive exhibits, astronaut artifacts, space simulators, the Northrop Grumman IMAX Theater, and Martian Matrix, a kid’s play area. Diehard space fans should consider doing a “Level 9 Tour”, which provides an in-depth look at NASA and Mission Control.