Russia and the United States are less than 4 km apart at their closest point.

The shortest commercial flight in the world operates between two Scottish islands — Westray to Papa Westray — lasting about 90 seconds.

The Sahara Desert contains vast rocky plateaus as well as sand dunes.

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

The Earth is slightly flattened at the poles.

The Nile River has supported civilizations for thousands of years.

The world's deepest lake is Lake Baikal in Russia, containing 20% of the world's unfrozen fresh water.

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

The Amazon River discharges more water into the ocean than the next seven largest rivers combined.