In Alabama, it is illegal to wear a fake mustache in church if it causes laughter.

The Sahara Desert stretches across northern Africa.

New Zealand was one of the last places on Earth to be settled by humans, around 1250–1300 CE.

Akrotiri was preserved under volcanic ash on Santorini.

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

The Sahara Desert is expanding southward at a rate of about 48 kilometers per year due to desertification.

The Caspian Sea is technically the world's largest lake, covering 371,000 square kilometers.

Roughly 8 billion people currently live on Earth.

Zhangye once stood along the Silk Road as a trade hub.