#Longest,Largest,Highest, Smallest in the world (Compiled by NM Mishra on the behalf of Brilliant Academy of Learning)#
1. Longest Wall of the world - Great wall of China 2. Longest river Dam - Hirakud Dam, Odisha, India 3. Longest Ship Canel - St. Laurence Seaway(USA & Canada) 4. Longest Railway Platform - Hubbali Railways Platform,Karnataka 5. Longest Road Tunnel - Laedal Tunnel,Norway(24.51 km long) 6. Longest Railway - Trans - Siberian Railway 7. Longest River - Nile (Africa) 8. Longest Mountain Ranges - Andes (South America) 9. Largest continent - Asia 10. Largest Delta - Sundarban Delta (India & Bangladesh) 11. Largest Desert - Sahara Desert(Africa) 12. Largest city in Population - Tokyo (Japan) 13. Largest Island - Greenland 14. Largest Dam - Three Gorges Dam (Yangtze river,China) 15. Largest Library - United States Library of Congress (Washington DC) 16. Largest Sea bird - Albatross 17. Largest peninsula - Arabian Peninsula 18. Largest Solar Plant - Noor Complex,Sahara Desert 19. Smallest Continent - Australia 20. Smallest Bird - Hummingbird 21. Tallest Monument - Gateway Arch (USA)...