Archaeologists conducting underwater excavations of Ta’ab Nuk Na (600-800 AD), the largest of 110 submerged Maya sites in Paynes Creek, Belize, have revealed that the salt workers worked from home.
Native American cultures in the region of the Great Lakes, the Ohio River Valley, and the Mississippi River valley, constructed large characteristic mound earthworks over a period of more than 5,000 years in the United States.