The Gobi Desert is the fastest-expanding desert in the world and covers parts of northern China and southern Mongolia.

The Pangaea supercontinent existed before breaking apart.

The Silk Road connected Asia and Europe for centuries.

The Nile Delta is one of the world's largest river deltas.

Canada has more lakes than the rest of the world combined.

The Nile River flows northward into the Mediterranean Sea.

The Aswan High Dam controls flooding of the Nile River.

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.

The Great Wall of China is not visible from space with the naked eye — this is a common myth.