Drammen

Drammen Spiral in Drammen, Norway

There are plenty of scenic roads that lead up mountains. What is decidedly less common is a road tunnel that ascends inside the mountain, such as the Drammen Spiral in Norway. Shaped like many parking garage ramps, it rises over 130 meters in a helix shape found nowhere else in the world. (Although there are other loop tunnels, none have two loops on top of each other, much less six!) Capped at…