From eerie volcanic craters to mysterious ancient sites, there are places on Earth that are so terrifying and unexplained ...

this ancient enclosure might have been a 'prototype' for later monuments like Stonehenge. Because of the similarity between the two sites, earlier researchers had thought that they must have been ...

These sites puzzle researchers and remain a source ... and is believed to have served some function in the ancient funeral rites since researchers have discovered human bones, pottery, and other ...

PALMYRA, Syria (AP) — Experts are returning to Syria’s war-ravaged heritage sites, hoping to lay the groundwork for restoring them and reviving tourism, which they say could provide a much ...