There are deep ocean trenches deeper than Mount Everest is tall.

Certain whales migrate thousands of miles annually.

The fangtooth fish has some of the largest teeth relative to body size in the ocean.

The anglerfish uses a bioluminescent lure to attract prey in the dark ocean depths.

The ocean contains structures larger than mountain ranges.

The Dead Sea is so salty that nothing larger than bacteria can survive in it, and swimmers float effortlessly.

The ocean contains dissolved gold — approximately 20 million tons — but in concentrations too low to extract profitably.

Bioluminescence is estimated to occur in 76% of all ocean species.

Water covers more than 70% of Earth's surface.