The Great Barrier Reef in Australia is the largest coral reef system in the world.
The Amazon Rainforest in South America is home to the most diverse range of plant and animal species.
Mount Everest in the Himalayas is the highest peak in the world.
Victoria Falls in Africa is one of the largest waterfalls in the world.
Paricutin in Mexico is a volcano that appeared overnight and grew to 1,345 feet.