The festival that involves a large gathering to celebrate indigenous cultures in North America is the Powwow. This vibrant event gathers Native American communities to showcase their traditions, art, dance, and music. Powwows often feature colorful regalia, ceremonial dances, and traditional foods, providing a platform for cultural exchange and education. Participants engage in storytelling, competitions, and arts and crafts, fostering respect and understanding among diverse attendees. The gathering promotes unity among indigenous peoples while honoring their heritage. By celebrating their rich histories and contemporary expressions, Powwows reinforce the importance of cultural preservation and inter-community relationships among Native Americans.