The islands of Malta and Gozo in the Maltese archipelago are scarred with hundreds, if not thousands, of parallel lines seemingly cut deep into the stone. These ancient grooves have puzzled experts...
Authorities in the US state of Illinois are searching for two vandals who defaced a 450-million-year-old rock formation at Starved Rock State Park , which was a sacred Native American gathering place...
Today, the Kalahari Desert is known as a very dry place. The word Kalahari in fact comes from a Tswana word which means ‘great thirst’. As a result, it seems an unlikely location for an ancient city...
The Marcahuasi Ruins are a group of rocks located on a plateau in the Andes Mountains of Peru. These rocks are notable for their curious shapes, and various hypotheses have been put forward to...