Denver Halloween 2025. Take your friends & spooky creatures alike on the halloween bar crawl of the year (12th annual bar crawl)! Haunted ghosts tours, spooky thrills and the best halloween nightlife

Younger kids can get in on the halloween fun, sans candy, as the children’s museum of denver at marisco campus hosts the colorful harvest hoot this weekend. Fri, oct 31, 8:00 pm.