Here are a few final additions to The Best Sites To Learn & Teach About Thanksgiving:
The Thanksgiving Recipes Googled in Every State is a great interactive from The New York Times.
Look How Much Bigger Thanksgiving Turkeys Are Today Than in the 1930s is from Mother Jones.
6 Science Experiments You Can Do With Thanksgiving Foods is from We Are Teachers.
26 charts and maps to be thankful for is from Vox.