Niagara was great. A whole day there. You can walk the park. It was designed by same person who designed NYC’s Central Park.
Palmyra get ice cream somewhere. I recommend that Amish store. Just one scoop is needed. Huge portions. Buy sandwiches from them. It’s good food and the Amish girls that work there are a hoot.
Do the Whitmer farm. It’s a special place. Really we did the whole thing in 1.5 days.
You could check out the finder lakes since you have extra time on the drive to Boston.
You could go Portland Maine and see the lighthouse and get Lahbsta.
We did Newport, Rhode Island. Go see some mansions and walk the mansion walk along the ocean.
Get pizza at the place SDS recommended in New Haven, CT….some say it’s the the best pizza in the world.
We went to Plymouth. Als you have time to go to Salem as well.
We walked the line in Boston and got cannolis and ate pizza.
We did other stuff but those are some highlights.