The Great Pyramid at Giza was the tallest structure on earth for almost 4,000 years, and rebuilding it would be an expensive ...

Even with cranes, helicopters, tractors and trucks at our disposal, it would be tough to construct the Great Pyramid of Giza today. Its construction 4,500 years ago is so astounding in some people's ...

How an ancient civilization was able to build such large structures without the assistance of modern technology has baffled the world for generations. And while the popular theory that they were ...

Archaeologists have unearthed the oldest known wooden structure, and it’s almost half a million years old. The simple structure — found along a riverbank in Zambia — is made up of two interlocking ...