Your existence required Earth to remain habitable for billions of years.

The Caspian Sea is technically the world's largest lake, covering 371,000 square kilometers.

Mount Everest is not the closest point to space — due to Earth's equatorial bulge, Mount Chimborazo in Ecuador is actually closest to the stars.

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

The largest island in the world is Greenland.

Canada has more lakes than every other country combined.

Mount Everest is the tallest mountain above sea level.

The Panama Canal connects the Atlantic and Pacific Oceans.

There are no rivers in Saudi Arabia — all water comes from rainfall, groundwater, or desalination.