School is out, celebrate summer by taking your grandkids on a Grand Walk of the Arboretum. Enjoy this opportunity to spend some time learning about the many gardens at the Overland Park Arboretum and Botanical Gardens. Learn about birds, trees, fossils and Native Americans. Our knowledgeable volunteers will be giving tours throughout the day. Free and open to everyone. Bring a friend and meet in the Visitors Center to get started. No pre-registration necessary, included with admission.