Not Many People Realize That Colorado Is Home To The World’s Highest Tunnel

If you have ever driven through the mountains of Colorado, you are almost guaranteed to have driven through the world’s highest tunnel, maybe without even realizing the significance of it. The tunnel that I am referring to is, of course, the iconic Eisenhower/Johnson Tunnel, and the history behind it is just as impressive as the passage itself:

To learn more about historic Colorado tunnels, click on Most People Have No Idea This Unique Tunnel In Colorado Exists.