Hello, I am a European who used this forum a couple of years ago, and the the suggestions I received were wonderful: we had a great time going from Las Vegas to Death Valley to the Sequoias in the Sierra to LA to SF.
Now I am back to the United States: from 10th to 12th October I am in a conference at Stanford. But I will be there with my fiancé from October 3rd to October 16th. So, from the 4th until the 10th, and from the 12th till the 16th, we have free time to travel around. I would like to ask you what do you suggest me to do. I was in SF but only for 3 days (I only visited the city center).
I could accept ideas nearby, or even something wilder, like taking a flight to Yellowstone, or something similar.