A multitude of mysteries remain unsolved about the ancient Greek world, providing more questions than answers.

For centuries, scientists have been trying to determine who built Stonehenge. Today, the leading theory is that several ...

While we hear more on that, here's taking a look at the 5 greatest aviation mysteries of all time... Amelia Earhart and her navigator Fred Noonan disappeared over the Pacific Ocean on July 2 ...

Certain areas of the pampa look like a well-used chalk board, with lines overlapping other lines, and designs cut through with straight lines of both ancient and more modern origin. The Kosok ...

Uncover one of history’s greatest mysteries in Indiana Jones and the Great Circle, a first-person, single-player adventure ...