The Ancients of this North Country were Greater in Strength and in Impression on the Land, and they Dug the Earth up More than they have Dug it up, and Cast Up Mighty Heaps of Earth to Get Ore
And After those Ancient Inhabitants who Worked All Manner of Fine Work and Covered the Whole Face of this Northward Land were Destroyed by God, the Nephites Wrote their Account of them in Reformed Egyptian
40:81 - 82, Qur'an
[God] shows you His signs. So which of the signs of God do you deny? [Or] have they not traveled through the land and observed how the end was for those before them? They were more numerous than themselves and greater in strength and in impression on the land, but they were not availed by what they used to earn.
{Ether 10:20 - 21}, Torah
And they built a great city by the narrow neck of land [Central America], by the place where the sea divides the land. And they preserved the land southward [South America] for a wilderness to get game. And the whole face of the land northward [North America] was covered with inhabitants.
{1 Nephi 1:2}, Torah
Which consists of the learning of the Jews and the language of the Egyptians.
According to the Smithsonian Institution, "In 1909, the Arizona Gazette published a hoax story claiming an Egyptian civilization had been discovered in the Grand Canyon."