I heard of it today, following a famous Chinese artist named Ai Weiwei on Instagram. He posted some photos of the art of these indigenous people from Nayarit, Mexico. Central western Mexico. It is mostly beaded work.
Heard of them, yes. Know much about them, no.
Indeed, the Americas are some of the most culturally diverse continents on earth. Some of putatively Mayan ancestry are purported to have traveled as far as northern Georgia in search of ritual clay. (Google Mayan Blue)
In the interim, here are a couple of other interesting cultures: