American Folklife Center at the Library of Congress offers many digital collections containing myths, legends, fairy-tales, superstitions, weather-lore, and ghost stories.
Folkstreams is a video-streaming national preserve of folk culture documentaries and offers users extensive background materials for each, including films by Sharon Sherman of the University of Oregon. See the Educators Portal for student worksheets and lesson plans for middle and high school and higher education.
National Council for the Traditional Arts is a private, not-for-profit corporation dedicated to the presentation and documentation of folk and traditional arts in the United States. Founded in 1933, it is the oldest folk arts organization in the nation.
Smithsonian Center for Folklife and Cultural Heritage has online curriculum guides, exhibits, and the Smithsonian Folklife and Oral History Interviewing Guide in the Education portal.