Lake Superior in North America is the world's largest freshwater lake by surface area.

The Sahara Desert receives very little annual rainfall.

Fact #218 · Geography

The Caspian Sea is the world's largest inland body of water and is classified as a lake despite its salt water.

Fact #3759 · Geography

The Earth's crust is composed of tectonic plates.

Fact #316 · Geography

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

Fact #3910 · Geography

The Angel Falls in Venezuela is the world's highest uninterrupted waterfall at 3,212 feet.

Fact #3754 · Geography

The Sahara Desert is expanding southward at a rate of about 48 kilometers per year due to desertification.

Fact #4258 · Geography

Russia spans 11 time zones — more than any other country.

Fact #3590 · Geography

Zhangye once stood along the Silk Road as a trade hub.

Fact #1670 · Geography