Superlatives : World

»» Fastest Bird : Swift

»» Tallest Building : Burj Khalifa, Dubai (UAE)

»» Largest Delta : Sundarbans, India (8,000 sq. miles)

»» Largest Mammal : Whale

»» Largest Diamond Mine : Kimberly (South Africa)

»» Longest Life span of an Animal : about 200 years, (Giant Tortoise)

»» Largest Volcano : Mauna Loa (Hawaii)

»» Longest Railway Tunnel : Seikan Rail Tunnel Seikan (Japan), 53.85 km

»» Brightest Star : Sirius (aka Dog Star)

»» Most Intelligent Animal : Chimpanzee