Walk the Hickory Nut Falls trail after dark with a park naturalist and find out which animals come out once the sun goes down at Chimney Rock's Nature at Night Hike. It's Saturday, October 17, from 7:30 to 9:30 PM. Tickets include park admission and run $25 for adults and $15 for youth ages 5 to 15, with annual passholder discounts. You have to register in advance, so book your spot.