7. It's the Speedway at Altamont Pass, in the East Bay
That's about 20 miles east of Livermore, near the 580/5 interchange. Famous site of the Stones concert where the Hells Angels did security and stabbed a dude to death in late 1969, which many point to as the official 'end' of the Peace and Love era of the 1960's
The huge wind farm is BY FAR the coolest thing to look at in at least a 10 mile radius from where it is. Its barren wasteland out there, and the wind farm like a magnificent monument arising from it.
And although it may still be 'open', I can't remember hearing of any significant races that have happened on that motorway for DECADES ... nowadays any major races in the bay happen at Sears Point Raceway (whatever it's called now ... infineon rw last I heard).