American Indian Film Gallery - over 450 non-fiction films that document Native lifeways from the Arctic Circle to Tierra del Fuego, with a large concentration on peoples of the Southwest.
Indian Ceremonial Dances in the Southwest - book from the 1950's, depicts: corn dance; eagle dance; basket dance; deer dance; Comanche dance; Matachina dance.
Powwows.com - list of Native American dances, complete with descriptions of their histories
Use Google to search for educational, government and organizational websites.
To construct a site search in Google use the following formats:
site:.edu = educational sites
site:.gov = government sites
site:.org = organizational sites
For example:
site:.edu water and pollution
site:.gov uranium mining and Navajo
site:.org macrobiotic diet and sustainable agriculture
Vast collection of history of Native Americans and the Americas, including South and Central America. Biographies, scholarly essays, primary source documents. Citations provided.
Over 32,000 videos from multiple producers, including Frontline, HBO, Inside Science, Ken Burns, and BBC. Wide variety of topics, some science and education-related, others are of general interest. Some videos include transcripts.
Formally called "Gale Virtual Reference Library." Ebooks, subject-specific encyclopedias, biographies, and contemporary topics organized into a variety of subjects including business, education, environment, medicine, mythology, science, and technology. Easy to search. Citations provided.
Content from history periodicals including primary sources, photos, maps, videos, and biographies. Works are divided into two main categories: US History and World History. A great place to dig deep into historical topics. Citations provided.
Peer-reviewed journals, ebooks, art, and primary source research. While the publication dates tend to be a little older, this is one of the best databases at PC for topics in humanities, literature, and psychology. Some content requires creating a (free) account or logging in with your Google account. Citations provided. (Looking for ARTstor? It's now part of JSTOR too!)
Search the archive of National Geographic Magazine (1888-present) and National Geographic’s People, Animals and the World collection, eBooks and National Geographic History Magazine. Some articles available in audio format.
Thousands of streaming video, most with educational content and transcripts. More academic-leaning than other PC Library video databases. Worth digging into. Citations provided.
American Indian Culture
Encyclopedia of Native American Music of North America
Ghost Dances and Identity by 
Indian Dances of North America
Native American Dance Steps
Native American Dance: Ceremonies and Social TraditionsEncyclopedia of Native American Music of North America