A team of scientists from the Czech Republic has discovered the world’s largest underground thermal lake, located in southern ...

Researchers discovered the body of water—now the largest known underground thermal lake in the world—while investigating a ...

The Aggitis River Cave in Greece is one of the largest and most spectacular river caves in all of Europe. It is located in the area of Drama.

Dark Lake is a fictional operation created for Apple TV's The Gorge. Here's who they are, what their mission is, and how they ...