Rub’ al-Khali is the largest “sand sea” in the world ... different: water. And lots of it. Researchers suggest that the lake once reached up to 42 meters (138 feet) deep.

is one of the deepest in the world and a hub of biodiversity and geological intrigue. The lake is an important water source and habitat for various wildlife, including several species of fish and ...

The deepest lakes worldwide are magnificent and result from fascinating geological formations. We shone a bright light on ...

Crater Lake is one of the top10 deepest lakes in the world. It was previously a volcano, but following a massive eruption thousands of years ago, the mountain structure eventually collapsed and ...

Measuring nearly 2,000 feet deep, Crater Lake is the deepest body of fresh water in the U.S. and the ninth-deepest lake in the world.

Carved out by a continental rift and estimated to be 25-30 million years old, Lake Baikal is the deepest ... lakes in the world, its water is not typically drinkable without treatment.

MORE: How national parks and forests could suffer as a result of federal firings The Cleetwood Cove Trail provides the only access to Crater Lake, the centerpiece of Oregon's only national park, known ...