In 1492, Columbus sailed the ocean blue. But we’ve known for a long time that Columbus wasn’t the first European to set foot ...
Explore the mist-covered tepuis of Guyana, where dense jungle meets the towering flat-topped summits of the Guiana Shield. Filmed from above, this aerial footage captures one of the oldest and most ...
People who live along the border watched their aquifers recede as the border wall grew. Now they fear it will happen again.