The biggest ocean waves in the world sweep through the South China Sea's Luzon Strait, towering more than 550 feet (170 meters) tall.
Hidden ocean waves explained
Luckily for ships plying the busy waters between Taiwan and the Philippines, these massive waves barely break the surface, though the waves can be a daily event. But for scientists, understanding these underwater "internal waves," which happen throughout the world's oceans, is important for modeling Earth's climate; the waves may push huge volumes of heat, salt and nutrients around the ocean.
[Full Story: Ocean's Huge Hidden Waves Explained]