The driest place on Earth is the Atacama Desert — some weather stations there have never recorded rain.

The Angel Falls in Venezuela is the world's highest uninterrupted waterfall at 3,212 feet.

The deepest lake in the world is Lake Baikal in Russia — it reaches a depth of over 5,300 feet.

Roughly 8 billion people currently live on Earth.

The Sahara Desert contains vast rocky plateaus as well as sand dunes.

The Great Lakes were formed by glacial movement.

The Nile is generally considered the world's longest river, but some measurements put the Amazon ahead depending on source point.

Antarctica is technically a desert — it receives less precipitation than the Sahara.

The Palm Islands in Dubai were constructed using land reclamation techniques.