At one time, Palo Alto was among those destinations, with an art walk held on the first Friday of the month. Now, five downtown Palo Alto galleries are looking to revive the event.

A 21,500-square-foot home situated on a 2-acre lot near Atherton's Menlo Circus Club reportedly sold in an off-market deal for $51.1 million, or about $2,395 per square foot.

Here's everywhere the self-driving service operates now, and where it's slated to arrive in the future.