Here is the list of largest in the world:
| Largest continent | Asia |
| Largest animal | Blue Bottom whale |
| Largest democracy | India |
| Largest bay | Hudson bay (Canada) |
| Largest Dam | Grand Coulee dam (USA) |
| Largest airport | King Khalid International Airport(Saudi Arabia) |
| Largest bird | Ostrich |
| Largest Cathedral | Cathedral Church of New York(USA) |
| Largest cemetery | Leningrad(Russia) |
| Largest country | Russia |
| Largest delta | Sunderbans delta(India) |
| Largest island | Greenland |
| Largest desert | Sahara(Africa) |
| Largest gulf | Gulf of Mexico |
| Largest Mosque | Jama Masjid, Delhi(India) |
| Largest lake | Caspian sea |
| Largest hotel | Hotel Rossaiya, Moscow(Russia) |
| Largest river | Amazon, South America |
| Largest palace | Imperial palace(China) |
| Largest peninsula | Arabian peninsula |
| Largest park | Wood Buffalo National park(Canada) |
| Largest platform | Grand Central Terminal, New York (USA) |
| Largest sea | South China sea |
| Largest temple | Angkorwat(Kampuchea) |
| Largest sea bird | Albatross |
| Largest stadium | Starhove Stadium(Czech Republic) |
| Largest volcano | Manuna Lea, Hawaii(USA) |
| Largest fresh water lake | Lake Superior |
| Largest waterfall | Angel waterfalls(Venezuela) |
| Largest lagoon | Lagoa dos Patos(Brazil) |
| Largest gorge | Grand Canyon, Arizona(USA) |
| Largest museum | American Museum of Natural History(USA) |
| Largest cinema | Fox theatre, Detroit(USA) |
| Largest country of Asia | China |
| Largest country of Europe | Russia |
| Largest country of Africa | Algeria |
| Largest country of North America | Canada |
| Largest country of South America | Brazil |
| Largest country of Oceania | Australia |
| Largest bank | Industrial and Commercial Bank of China |
| Largest army | China |
