New Jersey's web site for Travel and Tourism features listings of historic sites, museums and lighthouses.
NJDMO (New Jersey Destination Marketing Organizations) has a handy map with links to regional tourism websites.
The Morris County Tourism Bureau website features a special history section.
VisitPrinceton.org highlights the area's historic sites as well as the many other attractions the area offers.
The History & Heritage tab on the Monmouth County Tourism page provides visitor info for historic sites as well as a guide to area lighthouses.
Visit South Jersey's web site lists heritage sites and sample itineraries for your trip.
South Jersey Tourism Corp. produced "A Revolutionary Idea" - podcasts that take you on an audio tour of Revolutionary War sites in Gloucester County. Available for download through iTunes: https://itunes.apple.com/us/podcast/revolutionary-idea-gloucester/id336945157.
The William Trent House in Trenton offers a virtual tour of the mansion's historic rooms:
"The Economic and Fiscal Impacts of Heritage Tourism in New Jersey," a study by Tourism Economics released in 2013.
The Heritage Tourism Master Plan includes an online resource directory: http://www.njht.org/dca/njht/touring/master_plan_table_of_contents.html.
Celebrate New Jersey conducted a wayfinding signage initiative in 2010: http://www.celebratenj.org/community-initiatives/nj-wayfinding-initiative/.
In 2007 the NJ Historical Commission funded An Assessement of State Historical Marker Programs.
Cultural Heritage Tourism offers a toolkit and case studies of successful tourism ventures from a national perspective: http://culturalheritagetourism.org/resources.htm.