Senior gatherings at the Putnam House 48 Court St. Houlton, Mondays, 9-3 p.m. Games, homemade snacks, coffee and socializing.

Story Time for all ages, 3-3:30 p.m. at Caribou Public Library. Enjoy stories read by Loring Job Corps volunteers.

Amazing Mystery History Tour aboard Molly the Trolley with Presque Isle Historical Society, leaving Historic Fire Station at 1 p.m. Reservations required; $10/person.