The Euphrates River fueled the "cradle of civilization," and a new study reveals the waterway was born of two other ancient rivers around 3.6 million years ago.

Iran is experiencing "water bankruptcy" that stems from decades of broken water governance and aggressive policies, and the current war is exacerbating the crisis.

Fingal's Cave is a hollow inside the Scottish island of Staffa that is characterized by massive, interlocking hexagonal columns of volcanic rock and astonishing acoustics.