North American Continental Divide
The North American Continental Divide separates the watersheds that flow into the Pacific Ocean and those that flow into the Gulf of Mexico and the Atlantic, Caribbean, and Arctic Oceans.
The North American Continental Divide separates the watersheds that flow into the Pacific Ocean and those that flow into the Gulf of Mexico and the Atlantic, Caribbean, and Arctic Oceans.
The protective salt marshes that ring Lake Natron in Tanzania have nurtured the highest concentrations of lesser and greater flamingos in East Africa.
Coursing through the most biologically diverse biomes in the world, the Amazon is a critically important river system. Here are some interesting geographical facts about the Amazon River.
The Mississippi watershed is the largest drainage basin in North America.
The river Caño Cristales, is also known as the river of five colors for the vibrant path it winds through the Colombian landscape.
Water is essential for life on the planet, and tool from the U.S. Geological Survey (USGS) makes it easy and fun to trace water flow across … Read more