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Name : Olmec colossal heads

What they are : A serial of massive chief that were each carved out of a single basalt boulder , often transported from miles away , during the Olmec civilisation , anagricultural Mesoamerican cultureand the earlier known order in what is now Mexico . Each of these bring down artifact averages about 10 base ( 3 metre ) tall and weighs 8 tons ( 7.3 metrical tons ) . Artisans used Harlan Fisk Stone tool to shape them , tote up in inside information such as pupils in the eyes and dimples in the nerve , chins and lip , before paint the piece in shining colors , according to theWorld History Encyclopedia .

Two carved sculptures of heads as seen in a museum.

Two of the Olmec heads are on display at the Jalapa Museum of Anthropology in Xalapa, Mexico.

Where they were determine : Mexico , specifically in Tres Zapotes in Veracruz , and the Gulf Coast

When they were made : 1200 to 400 B.C.

What they tell us about the past : Of the 17 have it off Olmec colossal heads found across Mexico , no two look likewise . For instance , one is decorated with a poll engrave with jaguar paw print while another wear a headdress . This has lead archaeologists to intend that each of the massive statues depicts a specific ruler .

Gold statuette of a person with nose ring

While it rest a mystery whose likeness the heads impersonate , one research worker name a single statue , have a go at it as Colossal Head 5 , as a second - millennium B.C. ruler from San Lorenzo , the oldest know Olmec city .

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However , archaeologist have yet to find any burials at San Lorenzo , and the few known instances of Olmec writing remain undeciphered , so the identity of the region ’s rule and resident physician remains unknown , according to theMetropolitan Museum of Artin New York City .

a series of five ceramic figurines in different sizes

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an illustration of a decorated Maya altar

It ’s indecipherable how the Olmec used the sculpture , however some researchers think that citizen would move the sculpture to different spots in the city during crucial rituals . They may have also used them as marker to establish dominance or political office , or even for protection , according to the World History Encyclopedia . For example , in the Olmec city of La Venta , archeologist discovered four heads positioned on the N and south sides of the metropolis . But instead of facing toward the city pith , the heads looked outward as if they were guarding it from intruders .

Around 900 B.C. , some of the header in La Venta were bury , possibly as a ritual to move onward into the future tense . However , some researcher conceive that the burial pass nearer to when the heads were farm as either a way to hero-worship ancestors or in a move to " neutralize the dead ruler ’s power , " according to the World History Encyclopedia .

Carved driftwood mask in the shape of a human face but distorted. There is hair coming out of the top of the right eye.

Close-up of a wooden diorama showing five human figurines. Two are facing away from the camera, and three face the camera. They are carrying sacks of grain.

Circular alignment of stones in the center of an image full of stones

Three-dimensional rendering of an HIV virus

Remains of the Heroon, a small temple built for the burial cluster of Philip II at the Museum of the Royal Tombs inside the Great Tumulus of Aigai (Aegae)

The coin hoard, amounting to over $340,000, was possibly hidden by people fleeing political persecution.

a close-up of a handmade stone tool

a wrecked car underwater

a photo of the Milky Way reflecting off of an alpine lake at night

an illustration of Mars

three prepackaged sandwiches

Tunnel view of Yosemite National Park.