‘Nature’s Creepy’ Mystery Trail at Thacher Nature Center.  Take a walk on the Nature Center Trail and discover cool and creepy natural objects and oddities along the way. Use the clues to complete the challenge and win a prize! Wear your Halloween costume if you like. Make Halloween crafts and enjoy warm cider and donuts. This fun (not scary) program is appropriate for all ages. 10 a.m. to 2 p.m. at 87 Stan Levine Dr, Voorheesville, 12186