The Sahara Desert was once much greener than it is today.

Venice, Italy is built on 118 small islands connected by over 400 bridges and is slowly sinking.

Fact #4272 · Geography

The Nile River flows northward into the Mediterranean Sea.

Fact #30 · Geography

Australia is wider than the Moon — Australia is about 4,000 km across, the Moon's diameter is 3,474 km.

Fact #3587 · Geography

Antarctica is technically a desert — it receives less precipitation than the Sahara.

Fact #3593 · Geography

Greenland is 80% covered by ice — if it all melted, global sea levels would rise about 20 feet.

Fact #3755 · Geography

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

Fact #3988 · Geography

The Sahara Desert experiences dramatic temperature changes.

Fact #295 · Geography

The Sahara Desert was once much greener than it is today.

Fact #20 · Geography