Add Yahoo as a preferred source to see more of our stories on Google. The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities ...

The Rocky Mountains form the spine of America, coming down from Canada and reaching south all the way to New Mexico. In the U.S., they're most imposing in Colorado, home to the highest peak and ...

What's the longest underwater tunnel you've ever driven through? The Holland Tunnel into Manhattan, or maybe the Battery Tunnel into Brooklyn? Well, Norway laughs at your pitiful American underwater ...