"The North American Religion Atlas (NARA) provides access to resources for the study and teaching of North American religious history within a geographical and multimedia framework. Using mapping technology, users can view data on religion at national, state or county levels. Text, image, and multimedia formats are also available and contribute to greater understanding of the story of North American religion."
"The Electronic Cultural Atlas Initiative is a global consortium of people who share the vision of creating a distributed virtual library of cultural information with a time and place interface. ECAI is a global consortium incorporating scholars in the humanities, social sciences and history; archivists, librarians and curator; members of non-governmental organization; and information technology researchers."
They've got some interesting uses of maps as atlases containing digital storytelling, as well as links to hundreds of maps and geo pieces related to various aspects of culture.