Thursday, August 10, 2017 Today we tackle the Colorado Rocky Mountains! We'll climb two major summits and pass through four tunnels as we travel eastbound on Interstate 70 as we continue our journey to Missouri. The longest of the four tunnels is the Eisenhower–Edwin C. Johnson Memorial Tunnel. The Eisenhower tunnel is one of the highest vehicular tunnels in the world. It's the longest mountain tunnel (1.7 miles long) and … [Read more...]