Namibia has one of the oldest desert in the world along with the biggest sand dunes in the world reaching 200-350 meters high.
Namibia has an underground lake called dragons breath and is the largest underground lake in the world going deeper than 450 feet and two hectares wide(about 200 square feet).
Namibia has the largest cheetah population in the world with about 2,500 to 3,000 cheetahs.