The popular Epic Pass, which Vail Resorts first launched in 2008, gives skiers and riders access to more than 70 resorts around the globe, including six great options in Colorado. To make the most of your time in the Centennial State, fly into Denver and rent a sturdy vehicle that can make the drive up I-70 safely (ideally, a four-wheel or all-wheel drive vehicle that complies with Colorado's traction law).