Off the coast of Yonaguni Island, divers have mapped an 80‑foot stepped formation that some researchers treat as a possible ...
A stone wall constructed across the entrance of Theopetra Cave in Thessaly, Greece, roughly 23,000 years ago now stands as the earliest known built stone structure on Earth, predating the Egyptian ...
The Great Pyramid of Giza in Egypt has survived more than 4,500 years. Earthquakes have repeatedly shaken the region, including the magnitude 5.8 Cairo earthquake in 1992, which dislodged some of the ...