Sometimes, nature shapes and creates forms so perfect they can fool even the most trained eyes. This is the case with ...

Archaeologists have unearthed mysterious 400,000-year-old artifacts made from mammoth tusks that may be the oldest human-made ivory objects ever found. They describe their findings in a recent ...

Why it's incredible: The mountain looks like a human-made pyramid. A mountain that's hidden in a sea of snow in Antarctica looks strikingly like an ancient Egyptian pyramid when viewed from above.