Illinois and Missouri are battling it out again, but not for sports. Both are up for best science museum and your vote is needed.

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USA Today has done these contests before, to find the best of the best in everything from holiday displays, to outdoor festivals and now science museums. For Illinois, The Museum of Science and Industry, known for its famous exhibits of a full-size replica coal mine, a German submarine captured during World War II, and the command module of Apollo 8. I've been to this museum many times and it really is something you have to experience yourself. The submarine is amazing, but when they had the Traveling Harry Potter Exhibit that was by far the best exhibit that I have seen in a museum.

The Saint Louis Science Museum is also up for the award, but did you know that it is among the largest of its type with over 300,000 square feet of space. This museum is free admission, with some exhibits you must have a paid ticket to visit.  The most recognizable feature of the St. Louis Science Center is the 5-story domed OMNIMAX theater, which shows a variety of educational films and documentaries year-round. The family and I like to use the speed scanners to see how fast cars are driving on I-64/40.

You can vote for either museum through Monday, March 14 when voting ends. The winner of the best science museum will be announced on March 25th.

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