Opening Reception for the Prairies and Potholes Exhibition Come see our new Up Gallery Exhibition, Prairies and Potholes, on view from October 21 - December 24. The exhibition's opening reception will take place October 21 from 5 - 7 pm with group presentations starting at 5:30 pm. The exhibition showcases work from the Prairies and Potholes program which took place this fall. The program aimed to embed arts and humanities into the Master Naturalist Program at  Carleton’s Arboretum.