Departs the museum at 12:30 p.m. Walk the arboretum, and learn about the different trees. Bring a sack lunch and enjoy a picnic on the grounds during this last tree tour of the season. Tickets are required and available at rbhayes.org. Tickets for non-members are $10 for adults, $7 for ages 6-18, free for ages 5 and younger. Hayes Presidential members can enjoy this tour for free.