World's Largest, Smallest, Lengthiest and Highest

• The Largest Continent in the World : Asia
• The Smallest Continent : Australia
• The Largest Ocean : Pacific Ocean
• The Deepest Ocean : Pacific Ocean
• The Largest City (in terms of area) : Tokyo-Yokohama (Japan)
• The Largest Country (in terms of area) : Russia
• The Smallest Country (in terms of area) : Vatican City
• Most Populous Country : China
• Highest Electoral Number : India
• Minimum Population Density : Antarctica
• Highest population density country : Monaco
• Most Populous City : Tokyo (Japan)
• Least Populous City : Vatican City
• The country with longest shared border : Canada
• Shortest Border Country : Vatican City
• Maximum Boundary Country : Russia
• Largest Island : Greenland
• Largest Peninsula : Arab Peninsula
• Largest Island - Group Country : Indonesia 
• Largest River - Island : Majuli (Brahmaputra River, Assam)
• Largest Delta : Sundarbans (India) 
• Longest River : Nile river (Egypt) 
• Largest River (wide and volume) : Amazon (South America)
• Largest Sea : South China Sea 
• Largest Sub-sea : Hudson sub-sea 
• Smallest Bird : Humming bird 
• Longest tributary : Medira (a tributary of Amazon)
• Busiest Commercial River : Rhine river 
• Busiest Canal : Kiel canal 
• Largest Lake : Caspian Sea 
• Largest Freshwater Lake : Superior lake (U.S.) 
• Deepest Lake : Baikal lake (Russia) 
• Most High Altitude Lake (sailing) : Titicaca (S.America) 
• Highest Waterfall : Salto Angel (Venezuela) 
• The Widest Waterfall : The Khon Falls (Laos)
• The Largest Gulf : The Gulf of Mexico
• The Highest Mountain Peak : Mount Everest 
• The Highest Mountain Ranges : The Himalayas (Asia)
• The Longest Mountain Range : The Andes (South America)
• The Highest Plateau : Pamir (Tibet) Plateau
• The Highest Volcano : Ojos del Salada (Argentina - Located on the border of Chile)
• Most Massive Active Volcano : Mauna - Kea (Hawaiian Islands)
• Highest Dam : Nurek (Tajikistan)
• Largest Dam (concrete) : Jinping Eye Dam (China)
• Longest Railway Platform : Siddharoodha Swamiji Railway Station (Karnataka)
• Largest Railway : Station Grand Central 
• Terminal : (New York)
• Longest Railroad : Trans Siberian Railroad
• The High Altitude Railway Station : Tanggula (China)
• Largest Rail Tunnel : Goatyard Basetnal (Switzerland)
• Longest Road Tunnel : Laerdal (Norway)
• Highest Road Umling La Pass (India)
• Longest Road Bridge : Bang na Expressway (Thailand)
• Longest Highway : Pan - American highway
• Highest Capital : La Paz (Bolivia) 
• Largest Desert : Sahara (Africa) 
• Asia's Largest Desert : Gobi (Mongolia) 
• Coldest Territory : Vostok (Antarctica) 
• Largest Mosque : Mosque Al-Haram (Mecca, Saudi Arabia)
• Highest Masjid : Jama el-Jazeera (Djamaa- el Djazair) Algeria’
• Largest Cathedral : Vesilica of St. Peter's Vatican City (Italy)
• Tallest Building : Burj Khalifa (Dubai) 
• Longest Wall : China Wall
• Largest Stadium : Rungrado1stof May Stadium (North Korea)
• Largest Clock Tower : Abraaj Al Bait
• Largest Seaport : Shanghai (China)
• Bigger Airport based on Number of Passengers : Heartsfi eld - Jackson Atlanta International Airport
• Largest Airport : King Fahd, Dammam (Saudi Arabia)
• Most Intelligent Animal : Chimpanzee 
• Most Gigantic Temple : Temple of Angkor wat (Cambodia)
• Largest Library : Library of Congress (Washington (U.S.A.) Establishment - 1800)
• Largest Epic : Mahabharata 
• Largest Park : North-East Greenland National Park
• Largest Planetarium : Shanghai (China)
• Largest Castle : Forbidden City Beijing (China)
• The Tallest Tree : Sequoia TreeCalifornia 
• The Tallest Animal : Giraffe 
• The Largest Animal : Blue whale
• The Largest Bird : Ostrich