1. The World's Largest Snowflake
The largest snowflake ever recorded fell in Fort Keogh, Montana in 1887. It measured 15 inches wide and 8 inches thick.
2. The World's Tallest Building
The Burj Khalifa in Dubai, United Arab Emirates, is currently the world's tallest building, standing at a height of 828 meters (2,716 feet).
3. The World's Longest River
The Nile River is the longest river in the world, stretching 6,650 kilometers (4,132 miles) through 11 countries in Africa.
4. The World's Largest Desert
The Sahara Desert in Africa is the largest hot desert in the world, covering an area of about 3.6 million square miles.
5. The World's Deepest Ocean
The Pacific Ocean is the deepest ocean in the world, with an average depth of 12,080 feet (3,682 meters).
6. The World's Largest Continent
Asia is the largest continent in the world, covering an area of about 44.58 million square kilometers (17.21 million square miles).
7. The World's Oldest Tree
The oldest known tree in the world is a Great Basin bristlecone pine named Methuselah, which is over 4,800 years old.
8. The World's Largest Animal
The blue whale is the largest animal in the world, growing up to 100 feet (30 meters) long and weighing as much as 200 tons.
9. The World's Longest Bridge
The Danyang-Kunshan Grand Bridge in China is the world's longest bridge, spanning 102.4 miles (165 kilometers).
10. The World's Largest Diamond
The largest diamond ever discovered is the Cullinan diamond, weighing in at 3,106.75 carats.
11. The World's Highest Waterfall
The Angel Falls in Venezuela is the world's highest uninterrupted waterfall, with a height of 3,212 feet (979 meters).
12. The World's Largest Volcano
Mauna Loa in Hawaii is the world's largest volcano, with a volume of about 75,000 cubic kilometers (18,000 cubic miles).
13. The World's Fastest Animal
The peregrine falcon is the fastest animal in the world, reaching speeds of up to 240 miles per hour (386 kilometers per hour) during a dive.
14. The World's Deepest Postbox
The postbox located in Susami Bay, Japan, is the world's deepest postbox, located 33 feet (10 meters) underwater.
15. The World's Smallest Country
Vatican City is the smallest country in the world, covering an area of just 0.17 square miles (0.44 square kilometers).
16. The World's Largest Stadium
The Rungrado 1st of May Stadium in North Korea is the world's largest stadium, with a seating capacity of 150,000.
17. The World's Longest Snake
The reticulated python is the longest snake in the world, reaching lengths of up to 30 feet (9 meters).
18. The World's Largest Flower
The Rafflesia arnoldii is the world's largest flower, with blooms measuring up to 3 feet (1 meter) in diameter.
19. The World's Coldest Place
The coldest temperature ever recorded on Earth was -128.6 degrees Fahrenheit (-89.2 degrees Celsius) at the Soviet Union's Vostok Station in Antarctica.
20. The World's Largest Island
Greenland is the world's largest island, covering an area of about 836,300 square miles (2,166,086 square kilometers).
