The hogan is a sacred home for the Navajo people who practice traditional religion. Every family even if they live most of the time in a newer home- must have the traditional hogan for ceremonies and keep themselves in balance.
Sonlight Core A - History (Week Native American Homes- good descriptions. These could be used as resources for a group project or to provide information about how indian groups lived during the initial lesson.
The Navajo tribe in New Mexico and Arizona built hogans with six sides built from wood poles and adobe There was one room in the hogan with east facing doorway. Rugs covered the doorway. A hole in the roof let smoke from the fires escape.