I have been doing a great deal of research, and have lots to share with you on New England experiences. So give me so time to get back to this (a busy month September will be), but I want to share more with you here.
update commenced 14 May 2014 – and will become actively worked on spring 2015
National Park Service – Discover Our Shared Heritage Travel Itinerary Series – Heritage Education Services Program
As our list of travel itineraries grows, the historic destinations you can visit online or in person are virtually endless! Each itinerary is a self-guided tour to historic places most of which are listed in the National Register of Historic Places. Spotlighting different communities, geographic regions and themes across the country, the travel itineraries expose you to a huge variety of places significant in American history, architecture, archeology, engineering, and culture. The Discover Our Shared Heritage Travel Itineraries can help you plan your next trip!
http://www.newenglandhistoricalsociety.com — new resource found on 10 June 2014
CONNECTICUT RIVER BYWAY – website and interactive guide (added April, 2015)