With no info can’t really help you with the first question, but below are some recommendations for the others:

Parks:

• Lincoln Woods: a bit outside the city but big park with lots of woods to explore, usually my go to when I need some nature
• India Point: Pretty central, nice place for a picnic, connects to a bike path, can walk to Fox Point with lots of shops from here
• Prospect Terrace: small park with an incredible view, perfect spot to read
• Dexter Park: on the west side of town, surrounded by beautiful huge old houses, lots of doggos here, pretty much prime dog watching spot in the city

Bars/Breweries:

• Isco Spirits
• Moniker Brewery
• Glou
• Courtland Club
• The Avery
• Long live Beer
• Beer on Earth
• Bayberry Beer Hall
• The Royal Bobcat