The US-Canada border is the world's longest international boundary not protected by military force.

There are abandoned cities hidden around the world that were evacuated suddenly.

Fact #2751 · Geography

Mount Everest is the tallest mountain above sea level.

Fact #27 · Geography

The Sahara Desert stretches across northern Africa.

Fact #310 · Geography

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

Fact #3594 · Geography

The Sahara Desert was once home to ancient civilizations.

Fact #280 · Geography

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

Fact #822 · Geography

Countries with extremely high tax rates sometimes collect less revenue than countries with moderate tax rates.

Fact #2603 · Geography

The largest desert in the world by area is Antarctica.

Fact #909 · Geography