1. The highest mountain peak: Mount Everest (Nepal); 29156 ft.

2. The Largest Island : Greenland (8,27,300 sq. miles)

3. The largest river (in volume) : Amazon (Brazil, S. America)

4. The longest river : Nile (Egypt)

5. The largest salt water lake : Caspian Sea (C.I.S)

6. The Largest fresh water lake : Lake Superior (U.S.A)

7. The greatest desert : Sahara (Africa)

8. The Largest Artificial lake : Lake Mead at Boulder Dam (U.S.A)

9. The largest city (in area) : London, 700 sq. miles

10. The Largest Hotel: The Excalibur Hotel in Las Vegas, Nevada, U.S.A.

11. Tallest (Office Building) : PETRONAS Twin Towers Kuala Lumpur, (Malaysia)

12. The largest bridge : Oakland Bridge (San Francisco)

13. The largest planet : Jupiter

14. Smallest Planet : Mercury

15. The biggest passenger ship: Queen Elizabeth II (83,000 tons, U.K.)

16. The largest park : National Park of North-Eastern, Greenland

17. The largest volcano : Mauna Loa (Hawaii) crater 12,400 ft. in diameter

18. The smallest continent : Australia

19. The largest inland sea : Mediterranean Sea

20. The highest dam : Rogunskaya dam across river rakish, Tajikistan

21. The largest peninsula : India

22. The largest bell : The Great Bell of Moscow (200 tons)

23. The longest wall : Great Wall of China (14,00 miles)

24. The tallest tower : C.N. Tower, Toronto, Canada

25. The largest ocean : Pacific (6,29,36,000 sq. miles)

26. Largest Continent : Asia (area 16 million sq. miles)

27. Coldest Region : Verkhoyansk (Siberia)

28. The highest Statue: The Statue of Unity at 182 meters’ (597 ft), India.

29. The longest railway platform : Kharagpur, West Bengal, India (833m)

30. The largest country (area) : Russia

31. The deepest ocean : Pacific

32. The largest coral formation : The Great Barrier Reef, North-eastern Coast of Australia

33. The tallest building : Burj Dubai

34. Longest Railway Tunnel : Switzerland

35. Highest Waterfall : Angel (Venezuela)

36. Largest Airport : King Khalid International Airport, Riyadh (Saudi Arabia), 225km2

37. Biggest Aquarium: Monterey Bay Aquarium (California; U.S.A.) (6500 specimens of flora and fauna)

38. Highest bridge : Over the Royal George of the Arkansas River in Colorado, USA (1053 feet over the water level)

39. Longest bridge : Danyang–Kunshan Grand Bridge in China

40. Largest Library : United States Library of Congress (Washington D.C. founded in 1800)

1. Fastest animal at short run : Cheetah

2. Largest existing land animal : Elephant

3. Largest bird of prey: Condor, length of the bird is 4 fit.

4. Largest neck (animal) : Giraffe

5. Largest quadruped of the dog family : Wolf

6. Largest animal of the cat family : Tiger

7. Largest ape or anthropoid : Gorilla

8. Largest sea animal (mammal) : Blue Whale

9. Smallest bird : Humming bird

10. Longest lived creature : Blue Whale (500 years)

11. Most intelligent animal : Chimpanzee

12. Tallest animal : Giraffe

13. Largest bird : Ostrich

14. The bird that never make its nest : Cuckoo

15. Largest sea-bird : Albatross

16. Fastest bird : Swift

17. The bird that hides itself in sand, when attacked : Ostrich

18. The wingless bird : Kiwi (New Zealand)

19. The animal that shakes off its tail : Whale

20. The reptile which changes its color : Chameleon