Par­tic­u­lar­ly pop­u­lar dur­ing cold Iowa win­ters. Spe­cial events and learn­ing mod­ules all through­out the year. Con­nect­ed to the park­ing lot is the Robert D. Ray Asian Gar­dens with a fea­tured Asian pavil­ion, built in hon­or of both the Asian Amer­i­cans who immi­grat­ed to Iowa in the late-70’s and for­mer Gov. Ray.