Now go outside and look at the sky.
Shasta From The Bay
Over on Sparkletack is a post about an amazing photo of the Bay Area... it's an aerial photo taken in 1949 that shows not only all of San Francisco from 12000 feet, but in addition also stretches out all the way to Mt. Shasta.
We've just been up at Mt. Shasta and it's a looong 250 mile-drive from the bay to the mountain - it's almost unbelievable that there are ever clear days like these were you can see so far.