These maps are interactive! And kind of cute…
America 1492-1700: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g5s_u2/index.html
Pilgrims’ Journey: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g1_u4/index.html
Triangular trade: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g5s_u3/index.html
Revolutionary War Battles: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g5s_u4/index.html
Westward Expansion: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g5s_u5/index.html
Trails West: http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g3_u3/index.html
Underground Railroad: http://eduplace.com/kids/socsci/books/applications/imaps/maps/g5s_u6/index.html
Admission of States to the Union through 1920 (Lower 48 states): http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g52_u5/index.html