The United States is under 250 years old, but some of its maximum archaeological sites are older than Vikings sailors, the Roman empire and the pyramids.

Others are more recent and the other cultures stand out than throughout the country, with complex buildings and eliminating pictograms.

Many of those puts are open to the public, so you can see the old story of yourself.

Prehistoric camels, mammoths and other giant people have traveled, which is now new, when it is greener and more humid.

“Where do they come from?” Feder said. “Not parachute to the new Mexico. They will have to come from another place, which means that there are still older places. ” Archaeologists have simply not discovered them yet.

While they can absorb white and homonymous sands, Pas’s footprints are prohibited lately.

In the 1970s, archaeologist James, Mr. Adovasio, caused controversy when he and his colleagues that the stone team and other artifacts discovered in southwest Pennsylvania belonged to humans who had lived in the region 16,000 years ago.

Feder said that Advasio had meticulously looked for the site, but that there is still no transparent consensus on the age of the oldest artifacts. However, he said: “This site is surely a vital, vital and vital site. ” This helped archaeologists realize that humans began arriving in the continent against the people of Clovis.

A site that has added intriguing evidence to the prior to the cloud is in the west of Idaho. Humans living there have stone equipment and carbonized bones in a house between 14,000 and 16,000 years, according to the radiocarbon dating. Other researchers approached the dates 11,500 years ago.

Cooper’s ferry is in the classic nose of the Perce nose, which the land administration office has in public property.

In the early 1980s, Navy Seal’s old page of the page alerted the paleantologists and archaeologists of an abyss nicknamed “Booger Hole” on the Aucilla River. There, Mom and mastodonic bones and stone tools.

They also discovered a mastodon defense with what seemed to reduce the marks through a tool. Other scientists have returned to the site more recently, raising more bones and tools. They used a radiocarbon dating, which established the site as a pre-clavis.

“The stone machinery and on the site show that at 14,550, other people knew how to locate the game, the new water and the device to make machinery,” said Michael Waters, one of the researchers, in a press release in 2016. “These other people were well suitable for this environment. “

Since the site is both underwater and on private property, it’s not open to visitors.

Scientists study coprolites, or fossilized poop, to learn about the diets of long-dead animals. Mineralized waste can also reveal much more. In 2020, archaeologist Dennis Jenkins published a paper on coprolites from an Oregon cave that were over 14,000 years old.

Radiocarbon dating gave the trace fossils’ age, and genetic tests suggested they belonged to humans. Further analysis of coprolites added additional evidence that a group had been on the West Coast 1,000 years before the Clovis people arrived.

Located in southcentral Oregon, the caves appear to be a piece of the puzzle indicating how humans spread throughout the continent thousands of years ago.

The federal Bureau of Land Management owns the land where the caves are found, and they are listed on the National Register of Historic Places.

Whenever people arrived in the Americas, they crossed from Siberia into Beringia, an area of land and sea between Russia and Canada and Alaska. Now it’s covered in water, but there was once a land bridge connecting them.

The site in Alaska with the oldest evidence of human habitation is Swan Point, in the state’s eastern-central region. In addition to tools and hearths dating back 14,000 years, mammoth bones have been found there.

Researchers think this area was a kind of seasonal hunting camp. As mammoths returned during certain times of the years, humans would track them and kill them, providing plentiful food for the hunter-gatherers.

While Alaska may have a wealth of archaeological evidence of early Americans, it’s also a difficult place to excavate. “Your digging season is very narrow, and it’s expensive,” Feder said. Some require a helicopter to reach, for example.

In 1929, 19-year-old James Ridgley Whiteman found mammoth bones along with fluted projectile points near Clovis, New Mexico. The Clovis people who made these tools were named for this site.

Researchers studying the site began to realize the artifacts found at the site belonged to different cultures. Clovis points are typically larger than Folsom flutes, which were first found at another archaeological site in New Mexico.

For decades after Whiteman’s discovery, experts thought the Clovis people were the first to cross the Bering land bridge from Asia around 13,000 years ago. Estimates for humans’ arrival is now thought to be at least 15,000 years ago.

Archaeologists discovered the bones of the child in 2013. Local teams call it xach’ite’anenh t’eede gay, or dawn girl. Genetic tests revealed that the 11,300 -year -old baby belonged to a Amerindian population in the unknown past, the ancient Beringios.

Based on the child’s genetic information, the researchers learned that he was connected to fashion asleans, but not directly. His non -unusual ancestors began to remarry genetically 25,000 years before dividing into two teams after a few thousand years: the ancient Berignians and the ancestors of the fashionable Americans.

According to this research, humans would possibly succeed in Alaska about 20,000 years ago.

Extending more than 80 feet long and five feet high, rows of curved poverty are wonderful when it shows from above. More than 3,000 years ago, the hunters-gatherers built them in tons of land. Scientists do not know precisely why other people have built them, whether ceremonial or a state demonstration.

The artifacts that the equipment left implies that the site has been used and for many years and was an assembly point for trade. People have brought equipment and rocks at 800 miles away. The remains of deer, fish, frogs, caimanes, nuts, grapes and other foods have given archaeologists a review of their nutrition and daily life.

The 4 galleries involve photographs of life size of anthropomorphic and animals figures in what is known as the Canyon barrier style. Much of this art is in Utah, produced through the archaic culture of the desert.

Pictograms can have a non -secular and practical meaning, but also to capture an era in which the teams gathered and mix, according to the Utah natural history museum.

More than 900 years ago, the other town of Puebloan built the White House, which bears the name of the shadow of their clay. Its upper floors are sitting in a sandstone cliff, with a transparent fall of the windows.

In early 1900, two shaped the Leling Association of Coliff Coliff, hoping to maintain the ruins in the state region of the Southwest. A few years later, President Theodore Roosevelt signed an invoice that designates the Green Mesa as the first national park aimed at “maintaining the works of man. “

The Mesa Verde National Park has a large number of homes, adding the Palais de Falaises. It has more than one hundred rooms and approximately two dozen kivas or ceremonial areas.

Tourists can see many of those housing on the road, but some are also available after a walk. Some want more tickets and can congested, Feder said.

Cahokia called one of the first cities in North America. Not far from St. Louis existing, around 10,000 to 20,000 people lived in dense colonies about 1,000 years ago. The important buildings were sitting on the most sensible giant mounds, which the Mississippiens built by hand, The Guardian reported.

The population built posts of posts, which an archaeologist called “Woodhenges”, as a type of calendar. In the solstices, the sun rises or lies aligned with other mounds.

Although Cahokia is open to the public, the portions are recently closed for renovations.

Presented in a limestone cliff in Camp Verde, Arizona, this is an apartment, not a castle, and is not connected to Sovereign Aztec Montezuma.