A whole lot. You could probably spend your entire time hitting up every place and comparing slices.
Why's that sound I'm sure you're doing it right. Journey's of discovery, they're personal. It's not really something that'll have a definite roadmap, y'know? If you're trying to figure out what to do with your life, well, this city is big. Maybe find the places where lots of people are? See what everyone's doing and the options. Talk to the people who seem interesting. Maybe hit up events or volunteer things that excite you. Follow what makes you happy.