Tipi rings are rings of boulders, remnants of Plains Indian tipis in North America, their stories told by oral history, ethnography, and archaeology.
A tipi is an efficient, adaptable form of residence, used by North American nomadic groups for at least 500 years, similar to central Asian yurts.
Gomphotheres were ancient elephants, who lived in the Americas but were dying off by the time that the first humans arrived there, some 20,000 years ago.
El Fin del Mundo is an important Clovis site in the Sonora desert, both for its early date and for its associated kill site of two gomphotheres.
In central Europe about 16,000 years ago, some stylish hunter gatherers built their houses out of ancient elephant bones. What a great idea!
Plazas, opens spaces in communities that allow the people to come together, are nearly as old as the first cities, at least 9400 years ago.
The archaeological remnants of a campfire provide a wealth of information about human behaviors, including subsistence, technology and social practices.
The Neolithic Demographic Transition refers to evidence that a population boom occurred when people stopped hunting and began farming--all over the world.
The quipu (also spelled khipu or quipo) is the only known precolumbian information system in South America.
The Denisovans are a recently discovered human species, who lived (at least) in what is today Siberia and colonized the southeast Asian islands and China.