Night of the Living Zoo October 30, 2015, 6:30-10 p.m. National Zoo, Washington DC. The Halloween event features bone-chilling and mind-boggling performance art including palm readers, fire eaters, talking bats, and illusionists. Nightmare on M Street October 31, 2015, 5 p.m. to 1 a.m. Tickets sold in advance (sometimes sell… read more →