On the Ancient Earth map, you can see the full outline of what will be the U.S. inside that supercontinent. When you hit 200 ...

Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.

Although its scientific accuracy cannot compare to today’s tools like Google Maps, it provides unique insights into how ancient Babylonians viewed themselves and the world around them.