The Americas have been home to humans for tens of thousands of years, with the first people arriving during the last ice age, when woolly mammoths, giant sloths and saber-toothed cats roamed the land.
These Indigenous Americans left behind clues about their lives, including prehistoric footprints of a caregiver and a squirmy toddler in what is now New Mexico and a heartbreaking cremation burial of a 3-year-old child in what is now Alaska.
Article continues below
