In Sacramento, the city historical museum offers underground tours where you can see how they raised the entire city, buildings and all, by 10 feet after the big flood. Well worth the time if you're unlucky enough to be in Sacramento.
And the 1862 flood was just the most recent one. There will be more, too: https://www.wired.com/story/the-biblical...alifornia/
And the 1862 flood was just the most recent one. There will be more, too: https://www.wired.com/story/the-biblical...alifornia/