With no stoplight and few stop signs, the curvy north-south thoroughfare is the quickest way to zip through town. But finding it is like a covert operation. Few maps show it, and there is almost no sign­age for it. You have to know about it.

Then, when you do find it, you’ll learn you discovered only how to get lost. Such is the genius of this secretive people. First, they make their best route known only to themselves. Then they make it impossible to navigate.

I am now standing in front of ... I can’t tell you. That information is classified.