Has anyone by chance driven on the Beartooth Highway on the NE side of Yellowstone National Park? And has anyone also happened to have been traveling by RV? We're wondering if it's wise or safe to travel on that road pulling our 30 foot travel trailer. Also, does it just freak you out to drive it? I'm a bit terrified of mountain roads (switchbacks), but mostly only if there aren't guard rails. Can someone describe the experience for me? I'd greatly appreciate it. Thanks!