1. Space Center Houston (NASA)
Home of the world famous Mission Control, Space Center Houston boasts over 400 space artifacts, and is the official Visitors Center of NASA. Since its opening in 1922, it has been inspiring children and teens to learn about STEM (science, technology, engineering, and mathematics). Not only are there dozens of unique artifacts collected from the Apollo, Mercury, and Gemini space missions, but also tons of interactive activities and shows for the whole family to enjoy.