A must-do for any visit to Space Center Houston. This is your chance to go on the grounds in the Johnson Space Center and get an up-close look at impossible as it’s happening. You might see astronauts training for the next trip to the International Space Station. You’ll see Historic Mission Control, where we monitored space programs until 1992. This tour also takes you through the awesome Building 9, where astronauts train on their next mission. Plus, there’s the new Saturn V Complex at Rocket Park. This is one attraction that’s impossible to miss.