Tour one of the busiest ports in the world aboard the Port of Houston Authority's free public tour boat. The 45-minute Sam Houston Boat Tour requires reservations, which are available on a first-come, first-serve basis at least 24 hours in advance.
Have a blast at the Space Center Houston, where future spacecraft engineers, designers, rocket scientists and budding astronauts can explore to their hearts content and learn that their dreams can become their reality. Stroll through the space center and check out the exhibits, attractions, special presentations, and hands-on activities to learn about NASA's manned space flight program. You can also watch astronauts train for missions, touch a real moon rock and take a behind-the-scenes tour of NASA.