Start your day with a visit to the Houston Space Center, which is home to NASA's mission control and space shuttle program. You can take a tram tour, see spaceships and artifacts, and even touch a moon rock.
After the Space Center, head to the Houston Museum of Natural Science, which has a vast collection of dinosaur fossils, gemstones, and wildlife exhibits.
In the evening, explore the vibrant and trendy Montrose neighborhood, which has great restaurants, bars, and boutiques.
Start your day by visiting the Museum of Fine Arts Houston, which has a collection of over 70,000 works of art from all around the world.
After the museum, head to the Houston Zoo, which is home to over 6,000 animals from around the world.
In the afternoon, visit the Houston Arboretum and Nature Center, which has beautiful walking trails and a visitors center filled with educational exhibits.
In the evening, enjoy dinner at one of Houston's famous restaurants, such as Pappas Bros. Steakhouse or Hugo's.
Spend your last day in Houston by visiting the Buffalo Bayou Park, which has beautiful walking and biking trails, picnic areas, and a skate park.
Next, head to the Houston Museum District, which has 19 museums and galleries, including the Children's Museum of Houston and the Museum of Natural Science.
In the afternoon, visit the famous Houston Livestock Show and Rodeo, which is held annually in late February or early March.
End your day with a visit to the Gerald D. Hines Waterwall Park, which has a stunning 64-foot-tall water wall that makes for great photo opportunities.
This itinerary is just a starting point, and there are many other things to see and do in Houston. Whether you're interested in history, culture, or just enjoying the city's vibrant atmosphere, there's something for everyone.