Just off Africa’s western coast, there’s a small island known as Príncipe where strange screeches haunt the night. Not many people have heard the noises, which emanate from the old-growth forests on ...

Deep underground, explorers followed the sound of water — until they heard something else. Their GoPro footage captured eerie, rhythmic sounds echoing through the cave’s tunnels, growing louder the ...

Screech Owl Cave delivered one of our wildest underground adventures yet. In this video, we climb massive pits and domes hidden deep inside the cave, navigating tricky ledges and echoing chambers.

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