Zion-Mount Carmel Highway And Tunnel Recognized As National Historic Civil Engineering Landmark
![](https://www.nationalparkstraveler.org/sites/default/files/styles/npt_square2/public/default_images/npt_icons_0.png?itok=8J64sZS9)
If you've ever driven through the Zion-Mount Carmel Highway and Tunnel at Zion National Park, you know what kind of engineering marvel it is. Well, it's now official. The highway and tunnel have been designated a National Historic Civil Engineering Landmark.