Hawaii is the most isolated population center on Earth — over 3,800 km from the nearest continent.

The Atacama Desert in Chile is the driest non-polar desert on Earth — some weather stations there have never recorded rain.

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

The United States purchased Florida from Spain in 1819.

Roughly 8 billion people currently live on Earth.

The Ice Age shaped many of today’s landscapes.

The Eiffel Tower was supposed to be demolished 20 years after its construction in 1889.

Ciudad Perdida in Colombia predates Machu Picchu.

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