Explore Space Center Houston with its 400 space artifacts as well as permanent and traveling exhibits. Discover attractions and theaters related to the exciting future and remarkable past of America’s human space-flight program, all for one admission price. See the world’s largest collection of moon rocks and lunar samples for public view. Go behind-the-scenes to see NASA Johnson Space Center (based on availability). Learn about the world-renowned home of NASA Mission Control, International Space Station Mission Control, and astronaut training. Experience the newest permanent exhibit, the SpaceX Falcon 9 rocket, displayed outside the center. Walk around and underneath the first-stage booster spanning more than 156 feet long. See the only Falcon 9 on public display outside of SpaceX’s headquarters which is the same type of rocket that launched NASA astronauts Robert Behnken and Douglas Hurley on SpaceX’s Crew Dragon spacecraft on May 30 for the Demo-2 mission. It marked the first time since 2011 that astronauts have launched from American soil.