Road Trips Explore Alaska’s Heartland National Parks by Ferry Exploring an ice cave in winter at Valdez Glacier Exploring an ice cave in winter at Valdez Glacier Share this Facebook Icon Twitter Icon Email Icon Join National Park Trips Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join National Park Trips Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Photo: by Stephen Bugno/Ovibos Consulting courtesy Valdez