Greenland is the world's largest island.

The Andes mountains were formed by tectonic activity.

Fact #135 · Geography

There are caves on Earth so deep they have their own weather systems.

Fact #2234 · Geography

Fossils have been found on every continent, including Antarctica.

Fact #712 · Geography

There are more pyramids in Sudan than in Egypt — the Nubian pyramids number over 200.

Fact #4259 · Geography

The Sahara Desert has both sand dunes and rocky plateaus.

Fact #321 · Geography

The Nile River flows northward into the Mediterranean Sea.

Fact #30 · Geography

The Earth's continents were once joined as Pangaea.

Fact #285 · Geography

Glacial periods caused sea levels to drop significantly.

Fact #748 · Geography