Hiking in Banff National Park | Exploring Caves Under the Rocky Mountains

Eric Hanson continues hiking in Banff National Park, exploring the underworld beneath the Rocky Mountains in Rat’s Nest Cave—a 4-kilometre network of caves still being actively explored—with Canmore Caves. SUBSCRIBE to BackpackingTV: http://www.youtube.com/subscription_c… _________________________ PLAN YOUR TRIP to Banff &…