Fossils have been found on every continent, including Antarctica.

There are abandoned cities on Earth that nature is slowly reclaiming.

Fact #2231 · Geography

The longest cave system in the world is Mammoth Cave in Kentucky.

Fact #919 · Geography

The tallest mountain above sea level is Mount Everest.

Fact #906 · Geography

There are more than 17,000 islands in Indonesia — making it the world's largest archipelago country.

Fact #3917 · Geography

The Sahara Desert is one of the largest deserts in the world.

Fact #340 · Geography

The United States Senate and House of Representatives form Congress.

Fact #1136 · Geography

Petra in Jordan was carved into rose-colored rock cliffs.

Fact #1635 · Geography

The city of Jericho is one of the oldest known walled cities.

Fact #1667 · Geography