Hard Hard difficulty. Natural Wonders What is the world's longest mountain range, extending through the Atlantic Ocean? Answer Mid-Atlantic Ridge Draw the answer
Easy Easy difficulty. Natural Wonders Excluding continental landmasses, which island is the world's largest by area? Answer Greenland Draw the answer
Intermediate Intermediate difficulty. Natural Wonders Which Guyanese waterfall has a single drop of 226 meters on the Potaro River? Answer Kaieteur Falls Draw the answer
Hard Hard difficulty. Natural Wonders Which cave chamber in Malaysia is often cited as the world's largest by floor area? Answer Sarawak Chamber Draw the answer
Hard Hard difficulty. Natural Wonders Which Mauritanian geological formation is also called the Eye of the Sahara? Answer Richat Structure Draw the answer
Hard Hard difficulty. Natural Wonders Which cave in France contains the prehistoric Lascaux cave paintings? Answer Lascaux Draw the answer
Hard Hard difficulty. Natural Wonders Which desert in Chile contains the hand-shaped geoglyph called the Giant of Tarapaca? Answer Atacama Desert Draw the answer