A more recent theory propose prehistoric Solutreans of Ice Age France also sailed west to America across the Atlantic Ocean along the south ridge of the polar ice cap more than 18,000 years ago.
From the northwestern border of Costa Rica to central Mexico, Mesoamerica was home to a group of agrarian civilizations for the 3,000 years prior to the Europeans arrival in the New World.
Mexico was home to four major Pre-Classic cultures: the Olmec, Nayarit, Colima and Jalisco.
Own a piece of this rich history with a Mayan art piece from Artemis Gallery.
This question has been hotly debated for over a century, especially now with the recent interest in the last Ice Age.
According to established theory, sometime during the Pleistocene, around 13,000 years ago, the last great eastern ice sheet, the Laurentian, reached down only to Wisconsin and was already receding.
Paleo Indian had immigrated across the Bering Sea by the land bridge of the Aleutian Island chain (known as Beringia) from Siberia into North America and followed a corridor south between the retreating ice sheets, perhaps to hunt wooly mammoth.