Placez that are a must see in St. Louis are:

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Gateway Arch on the riverfront in Downtown St. Louis. Take a ride to the top of this 630ft landmark and see an amazing view of St. Louis . Afterwards, take an educational stroll throught the Lewis and Clark museum below the Arch. Also, you can see the dramatic "Monument to the Dream" a stunning documentary with scenes of the building of the Arch. Or check out the "Lewis & Clark: Great Journey West" a re-creation of the most compelling and heroic adventure stories in history.

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The St. Louis Science Center's James S. McDonnell Planetarium, located in Forest Park, is one of the premeire space education facilities in the nation. Take the kids to the Boeing Space Station which is split into 2 amazing exhibits. The StarBridge exhibit focuses on the work on board a space station - communication, astronomical research, tracking, power and more. The StarBay exhibit includes several very interesting lab areas that give visitors a glimpse of what it’s like to live and work on the International Space Station. A great place for field trip! Admission to the Planetarium's Boeing Space Station is $3 per person, which is a self-guided tour. Hours are Sunday Noon-3:30 pm, Monday - Friday 11 am-3:30 pm, and Saturday 11 am-3:30 pm.

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Botanical Gardens - Located on a 79 acre site, the Missouri Botanical Garden is world-renowned for its fundamental botanical research, horticultural display and education programs. Take a stroll through the gardens and you will forget that you are in the middle of the city.

City Museum at 701 N 15th St in St Louis, MO. A unique kids' museum where the kids keep wanting to come back.