 Typical villages had included kivas, towers, and dwellings made with triple-coursed (three rows of stones) stone masonry walls.T-shaped windows and doors emerged for both surface and cliff dwellings.Three major regional centers with cliff dwellings and community centers were Chaco Culture National Historical Park in New Mexico, Mesa Verde National Park in southwestern Colorado and Betatakin and Keet Seel area (Navajo National Monument) in Arizona.