Celebrate International Dog Day at Denver Union Station ! Join us and Denver Museum of Nature & Science for our first ever dog-friendly Yappy Hour taking place in Denver Union Station's Great Hall. Bring your pups for a doggone good time with specials from Terminal Bar , and win prizes including tickets to see DMNS’s Superpower Dogs 3D! Don’t have a dog yet? There will be dogs available for adoption from Denver Animal Shelter as well! This event is FREE and open to the public.