A Union Pacific locomotive chugs along the G-guage track layout of Ryan MacCabe, a 17-year-old member of the Tucson Garden Railway Society, that will be among nine featured on the 11th Annual Rails in the Garden tour. The self-guided tour of nine TGRS members’ home railroad layouts runs March 8 and 9. Tickets are $5, children 16 and under are free when accompanied by paying adult.