I've lived in Ri my whole life

And Hi Lynn(EssentialMother) I know you from hs'ing

I would try totay at bed -n- breakfast places!
Eat lobster, steamers, coffee milk, del's lemonade, dough boys....
RI
Roger Williams Zoo
Newport beaches, mansions(some have tours with the guides dressed in period attire), newport also has lots of festivals
Providence RiverFire.....On some Fridays and Saturdays the river is lit with bins of wood all night long, music is played, its very cool and free!
Umbrella Factory is a cool eclectic store in south kingston, not sure, but near the beaches
Block Island
CT
Mystic, mystic aquarium(alot is outside so it's great on a nice day, our favorite are the belugala whales) and the mystic shops
MA
Southwick zoo,
NE Aquarium(all indoors)
Bostom Common(another book that is true is boston'make way for ducklings')
I would check for outdoor festivals, concerts too