Phoenix was the *first* [or right close to the first] city to have an Archaeologist on staff. Pueblo Grande was why.
If you don't *yet* know about the Hohokam, when you get there, ask.
I've been going there for several Centuries. Now that I think of it, I haven't been for a while. I better go again.
Go there. Walk around on the mound. Let your imagination transport you back a thousand years. Enjoy.