Archaeologists have gathered evidence of how an ancient civilization survived a drought in atypical ways. The civilization apparently predates the Inca, the Maya, and the Aztecs, and withstood a ...

Introduction : our cultural Amnesia -- Adena, first civilizers of North America -- Who were the Adena? -- The keltic fingerprint on prehistoric America -- Hopewell masters of ceremony -- Who were the ...

North America is one of the largest and most geographically diverse landmasses on Earth. The documentary explores how the first humans entered the continent from the north and gradually spread across ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!987739~!0#focus ...