We stop about a third of the way from the top and examine a map.

I know you can't read it!

If it were big enough for you to read, your computer would still be trying to download the image.

The photo of the sign is included just to show you the route you will travel to the end of the road.

Tucson is located at the bottom, and the summit is at the end of the road at the top.

Oh yeah, you'll have to take this same road back down, unless you want to pull some "Thelma and Louise" stunt.

We really don't recommend it.

OK, so I have this thing about rocks...

We just didn't expect to find this type of landscape in the desert Southwest.