Set up a free account and get access to time-period specific lesson plans complete with primary source-documents (hand written letters, photographs, news footage, etc) made available by the National Archive. Lessons give an overview of topics covered as well as Blooms Taxonomy stuff.
Reading Like a Historian
This Stanford U. created resource provides pre-made lesson plans with primary documents, video clips, discussion questions, group activities and assessments.
Super-ugly website with super-helpful links, content, lesson plans, activities, assessments, etc.
Civics-minded website with graphic organizers, videos, primary documents, activities, etc.
Lecture Point US History
Well-made pre-fabbed powerpoint presentations that are broken down by common-coreish topics.