Columbia Memorial Space Center is the City of Downey's public space museum and the official national memorial to the Space Shuttle Columbia crew, built on the former NASA Downey facility. Its 20,000-square-foot center combines spaceflight, International Space Station, solar-system and aerospace-engineering exhibits with a Robotics Lab, high-definition computer lab and hands-on STEM interactives for all ages. The center's exhibit hall and gift shop are wheelchair accessible, while some gallery walkways may be narrow; check the operator for current public hours, school-program scheduling and any construction or event changes. Address: 12400 Columbia Way, Downey, California 90242, United States.