Wikipedia's timeline of the far future is pretty nifty. Also.
Previously, previously, previously.
Who wants to live forever?
There's a good video about the first 10^40 years on youtube: https://www.youtube.com/watch?v=5OFThORmR-s
Great, now I'm sad about an event that'll take place far enough into the future to make all history seem like a blink.
Don't be sad, that's the story of your life.
I see you're getting into the mindset for dealing with the SF permit process.