The country of San Marino claims to be the world's oldest republic, founded in 301 AD.

Greenland is the world's largest island.

The largest desert in the world by area is Antarctica.

Mount Everest is not the closest point to space — that distinction belongs to Mount Chimborazo in Ecuador, due to Earth's equatorial bulge.

Africa is larger than China, India, the USA, and Europe combined.

The Nile Delta is one of the world's largest river deltas.

The Atacama Desert in Chile is so dry that some weather stations there have never recorded rain.

Iceland is home to more than 100 volcanoes and experiences an earthquake almost every day.

The Andes Mountains stretch along South America's western coast.