[randita]

Acadia NP, LLBean Outlet Store. Warning: Lobster is prohibitively expensive!

[vaskypilot]

I recommend the Shelburne Museum in Vermont. https://shelburnemuseum.org/visit/

[Zman]

Grew up in Bath, Maine; go right after Labor Day; days still warm, summer crowds have thinned out.

https://www.mainemaritimemuseum.org/visit/by-land-sea-the-bath-iron-works-story/

coastal sightseeing—Popham Beach; (was a lifeguard there in my early 20’s)

https://apps.web.maine.gov/cgi-bin/online/doc/parksearch/details.pl?park_id=22

https://en.wikipedia.org/wiki/Fort_Popham

where to stay: (worked there one summer in college)

https://sebasco.com/