Giant Astronauts and Miniature Planets.
The Minnesota Museum of Science is home to a lot of great exhibits and displays ranging from a giant astronaut to 3D light modeled planets. If you go through the entire museum you will even have the chance to view real persevered human body slices within the Human Body Exhibit. Coincidentally, this is also a great dieting stop as looking human remains is a great way to skip a meal. If only weight watchers knew this one quick trick!
... I should probably patent this great idea before they steal it..