The 1980 eruption of Mount St. Helens reshaped the surrounding landscape.

The Amazon River discharges more water than any other river.

Fact #124 · Geography

The Nile River has supported civilizations for thousands of years.

Fact #170 · Geography

Greenland is the world's largest island — Australia is considered a continent.

Fact #3402 · Geography

The Earth's crust varies in thickness beneath continents and oceans.

Fact #240 · Geography

Africa is so large that the United States, China, India, and most of Europe could all fit inside it simultaneously.

Fact #3758 · Geography

Glacial periods caused sea levels to drop significantly.

Fact #748 · Geography

There are places in Antarctica where no rain has fallen for millions of years.

Fact #2238 · Geography

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

Fact #3398 · Geography