Union Station is running some Presidents Day weekend deals on February 16-18, 2013.
For $10, you can get in to see the Science of Rock ‘N’ Roll Exhibit. $5 will get you a ticket to Science City. For an additional $1, you can see the planetarium show (with Science City or Science of Rock ‘N’ Roll ticket purchase).
Union Station is located at 30 W Pershing Road in Kansas City, Missouri.