The channel tunnel between England and France is 50 km long and took 13,000 workers six years to build.

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

Fact #4260 · Geography

The Nile Delta is sinking — it's being weighed down by sediment and eroded by rising seas.

Fact #3913 · Geography

There is more water in Earth's mantle than in all the oceans on the surface.

Fact #3594 · Geography

Antarctica is the only continent with no native population and no permanent residents except researchers.

Fact #3994 · Geography

The coldest temperature recorded on Earth occurred in Antarctica.

Fact #911 · Geography

The Sahara Desert is roughly the same size as the continental United States.

Fact #3398 · Geography

The Great Lakes were formed by glacial movement.

Fact #252 · Geography

The Burj Al Arab is built on an artificial island.

Fact #1534 · Geography