The Great Barrier Reef: The Great Barrier Reef in Australia is the largest living structure on Earth and can even be seen from space.
The Amazon Rainforest: The Amazon Rainforest produces 20% of the world's oxygen and is home to more than 10% of all known species.
The Sahara Desert: The Sahara Desert is not only the largest hot desert in the world but is also expanding by about 0.8 kilometers per month.
The Pacific Ocean: The Pacific Ocean covers more than 30% of the Earth's surface and is larger than all of Earth's land area combined.
The Longest River: The Nile River in Africa is considered the longest river in the world, stretching approximately 6,650 kilometers.
Earth's Atmosphere: Earth's atmosphere extends about 10,000 kilometers above the planet's surface but is thickest in the first 50 kilometers.
The Deepest Point in the Ocean: The Mariana Trench in the Pacific Ocean is the deepest part of the world's oceans, reaching depths of about 11 kilometers.
The Age of Earth: Scientists estimate the Earth to be around 4.5 billion years old, with life appearing on the planet about 3.8 billion years ago.
Mount Everest's Height: Mount Everest, the tallest mountain in the world, grows about 4 millimeters taller each year due to geological forces.