From celebrating the National Park Service’s Centennial and launching the Missouri National Parks Passport Challenge to all the little moments in between, 2016 sure has been a memorable year at the Arch, Riverboats and Old Courthouse. Here are a few of our favorite Instagram photos to commemorate the year. Be sure to follow us on Instagram @gatewayarchstl and tag #gatewayarch so we can see all of your beautiful photos. Here’s to 2017!