The Book of Mormon is a history of a related primitive church, and one may well ask what kind of remains the Nephites would leave us from their more virtuous days.
A closer approximation to the Book of Mormon picture of Nephite culture is seen in the earth and palisade structures of the Hopewell and Adena culture areas than in the later stately piles of stone in Mesoamerica.
https://www.churchofjesuschrist.org/study/ensign/1972/09/ancient-temples-what-do-they-signify?lang=eng
Source: Book of Mormon Wars