Photographer Vince Camiolo shot this incredible footage at sunrise in the Cataloochee Valley of Great Smoky Mountains National Park in North Carolina, where he says a man’s apparently harmless encounter with a bull elk quickly became much more frightening.

In the video an unnamed photographer sits near the side of the road, submissively with his head down, as a juvenile bull elk repeatedly tests his nerve, jostling him with his antlers.

Tim Konrad is the founder of Unofficial Networks and a passionate skier with over two decades of experience in the ski industry. In 2006, he launched the blog from Lake Tahoe with his brother John, evolving...