There are even reasons to think a civilization existed over 300 million years ago. Find All the Information You Need to Know About Ancient History of Earth and the USA.
Atlantis · Antediluvian Giants · Megaliths
A Timeline of Intelligent Life on Earth
The Science History Institute Preserves & Interprets The History Of Scientific Discovery. We Share The Stories Of The Innovators & Scientific Discoveries That Shape Our Lives.
Chemistry And Engineering · Free Museum Admission · Award-Winning Content