Largest/Longest
Largest Planet: Jupiter
Largest Continent: Asia
Largest Ocean: Pacific
Largest Desert: Sahara
Largest Country by area: Russia
Largest Democracy: India
Largest Muslim Country by land area: Kazakhstan
Largest Island: Greenland
Largest Peninsula: Arab Peninsula
Largest Lake: Caspian Sea
Largest Freshwater Lake: Superior
Largest Artificial Lake: Volta Lake
Largest Sea: Philippine Sea
Largest Bay (by area): Bay of Bengal
Largest Delta: Ganges-Brahmaputra Delta
Largest Gulf: Gulf of Mexico
Largest River: Amazon
Largest Railway Station: Grand Central Terminal of New York
Largest Active Volcano: Mauna Loa
Largest Library: Congress Library
Largest Glacier: Lambert
Largest Land Mammal: African Elephant
Largest Sea Mammal: Blue Whale
Largest International Organization: United Nations Organization
Largest Bird: Ostrich
The largest Army in the World is of China
Largest Joint: Knee
Largest Bone: Femur
Largest Forest: Taiga
Longest Mountain Range: Andes
Longest Bridge: Danyang–Kunshan Grand Bridge
Longest Canal: The Grand Canal (China)
Longest River (Asia): Yangtze
A country with Longest Coastline: Canada
Longest Wall: Great Wall of China
Longest Cell: Nerve Cells