If you are interested in nuclear science, you will want to take a tour of the National Superconducting Cyclotron Laboratory (NSCL) on the campus of MSU. Tours of the NSCL, available for groups of 10-50 people, must be arranged in advance (a mimimum of one month advanced notice is recommended).
Visitors must be ages 8 and up. For safety reasons, visitors under 18 years of age must have written permission from a parent or guardian. Tours last around 90 minutes, are free of charge and can be booked here.