Mexico is probably the most linguistically diverse country of the world with 68¹ indigenous languages spoken (I had thought India might be a close competitor where it seems there’s a different language in every state, each with its own alphabet, but Wikipedia says that there are “only” 22 scheduled languages in India).
We have a tendency to flatten indigenous cultures (like the bizarre mixing of culturally and linguistically distinct Native American cultures) and this is even more true of the Mesoamerican cultures where a diverse group like the Mayans is treated as a monolithic entity (as well as one that’s extinct) rather than as the diverse and living culture that it is.
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1. The Wikipedia article on languages of Mexico has differing numbers throughout the article, offering 68, 65 and 62 as the number of officially recognized languages (and maybe more options if I weren’t skimming so quickly).