The Lake Metroparks is inviting the public to celebrate the changing of the seasons with an afternoon of free activities for the whole family at the Colors of Fall Open House from noon to 4 p.m., Oct. 8, at Penitentiary Glen Reservation, 8668 Kirtland-Chardon Road in Kirtland.Attendees can journey through fall colors on miniature steam trains from 1 to 3 p.