Maybe it’s the altitude, but come summer, the Mile High City unleashes a series of kooky happenings ranging from the world’s largest Zombie Crawl (a horde of 7,000 blood-splattered zombies) to the world’s largest gorilla run (1,200 fully costumed gorillas…and growing). Visitors are welcome to dress appropriately and join the shenanigans. Visit Denver has provided a fantastic [...]