| Tallest Tower | Burj Khalifa, Dubai, UAE – 2,716.5 ft |
| Longest and Deepest Rail Tunnel | Gothard Tunnel, Switzerland – 57.09 km |
| Longest and Largest Canal Tunnel | Le Rove Tunnel, South France |
| Longest Road Tunnel | Laerdal, Norway – 24.51 km |
| Highest Volcano | Ojos del Salado, Andes, Argentine-Chile – 6,885 m |
| Largest Volcano | Mauna Loa, Hawaii |
| Longest Wall | Great Wall of China – 1,500 miles |
| Highest Waterfall | Angel Falls, Venezuela |
| Longest Strait | Strait of Malacca |
| Broadest Strait | Davis Straits, Greenland and Battin Island, Canada |
| Narrowest Strait | Chaliks – 45 yards (between Greek mainland and Euboea) |
| Largest Gulf | Gulf of Mexico, Shoreline – 2,100 miles |
| Largest Archipelago | Malay Archipelago, Indonesia |
| Tallest Active Geyser | Steamboat Geyser, Yellowstone National Park, U.S.A – 300 ft |
| Largest River Basin | Amazon Basin – 2,720,000 sq. miles |
| World’s Rainiest Spot | Mawsynram, Meghalaya, India – 11,873 mm |
| Lightest Gas | Hydrogen |
| Lightest Metal | Lithium |
| Highest Melting Point | Tungsten – 3422°C |
| Hardest Substance (synthetic) | Wurtzite boron nitride |
| Hardest Substance (comes from meteorites) | Lonsdaleite |
| Hardest Natural Substance | Diamond |
| Largest Diamond-producing Mine | Aikhal, Russia |
| Longest Animal | Blue Whale – 106 ft, 195 tons |
| Longest Life-span of an Animal | 190 to 200 years (Giant tortoise) |
| Largest Land Animal | African Bush Elephant |
| Fastest Animal | Cheetah – 70 mph |
| Longest Jump Animal | Kangaroo |
| Longest Wind Spread Bird | Sooty Albatross |
| Fastest Dog | Persian Greyhound – 43 mph |
| Longest Poisonous Snake | King Cobra |
| Biggest Flower | Rafflesia arnoldii, Java |
| Largest Church | Basilica of St. Peter, Vatican City, Rome, Italy |
| Largest Temple | Angkor Wat, Cambodia |
| Largest River in Volume | Amazon, Brazil |
| Longest Corridor | Ramnathswami Temple’s Corridor, Rameshwaram – 5,000 feet |
| Highest Straight Gravity Dam | Bhakhra Dam, India |
| Highest Capital City | La Paz, Bolivia |
| Largest Asian Desert | Gobi, Mongolia |
| Largest Democracy | India |
| Largest Neck Animal | Giraffe |
| Largest Animal of the Cat Family | Lion |
| Most Intelligent Animal | Chimpanzee |
| Bird that never makes its nest | Cuckoo |
| Wingless Bird | Kiwi |
| Reptile that changes its colours | Chameleon |
| Largest Mammal | Blue Whale |
| Smallest Country | Vatican City |
| Smallest City | Vatican City |
| Country with Lowest Population Density | Antarctica |
| Country with Highest Population Density | Singapore |
| Least Populated City | Vatican City |
| Country with Longest Border | Canada |
| Country with Maximum Adjoining Borders | China (13 Countries) |
| Shortest River | Roe River – 201 feet (61 meters long) |
| Largest Cricket Stadium | Narendra Modi Stadium, Ahmedabad |
| Tallest Animal (On land) | Giraffe |
| Biggest Bell | Tsar Bell, Moscow |
| Fastest Bird | Peregrine Falcon – 322 km/hr |
| Largest Bird | Ostrich |
| Smallest Bird | Bee Hummingbird |
| Longest Bridge (Railway) | Dan Yang–Jinshan Grand Bridge, Beijing, China |
| Tallest Building | Burj Khalifa, Dubai (U.A.E) |
| Tallest Residential Building | 432 Park Avenue, New York (US) |
| Biggest Cinema House | Roxy, New York |
| Highest City | Wen Zhuan, Tibet, China – 16,732 ft |
| Largest City (in population) | Tokyo (3,712,600, Est. population in 2011) |
| Biggest City (in area) | New York – 8,683 sq. km |
| Largest Continent | Asia |
| Smallest Continent | Australia |
| Largest Country (in population) | China |
| Largest Country (in area) | Russia |
| Largest Coral Formation | The Great Barrier Reef, Australia |
| Largest Dam | The Three Gorges Dam, China |
| Longest Day | June 21 (in the Northern Hemisphere) |
| Shortest Day | Dec. 22 (in the Northern Hemisphere) |
| Largest Delta | Sundarbans, India – 8,000 sq. miles |
| Largest Desert (world) | Sahara, Africa – 8,400,000 sq. km |
| Largest Diamond | The Cullinan (over 1.5 lb.) |
| Longest Epic | The Mahabharata |
| Largest Island | Greenland (renamed Kalaallit Nunaat) |
| Largest Lake (Artificial) | Lake Volta, Ghana |
| Deepest Lake | Baikal, Siberia, Russia – 5,314 ft (1,637 m) |
| Highest Lake | Titicaca, Bolivia – 12,645 ft above sea level |
| Largest Lake (Fresh water) | Lake Superior, U.S.A |
| Largest Lake (Salt water) | Caspian Sea – 371,000 sq. km |
| Largest Mosque | Masjid-al-Haram, Mecca, Saudi Arabia – 356,800 sq. m |
| Biggest Library | National Kiev Library, Moscow and Library of the Congress, Washington |
| Highest Mountain Peak (world) | Everest, Nepal – 29,035 ft (8,850 m) |
| Highest Mountain Range | Himalayas |
| Longest Mountain Range | Andes, South America – about 7,000 km |
| Biggest Museum | Louvre, Paris |
| Tallest Minaret (Free standing) | Qutub Minar, Delhi – 238 ft |
| Deepest and Biggest Ocean | The Pacific |
| Largest Palace | Imperial Palace (Gugong), Beijing, China |
| Largest Park | Northeast Greenland National Park, Greenland |
| Largest Peninsula | Arabia – 3,250,000 sq. km |
| Coldest Place or Region | East Antarctic Plateau – (-93.2°C) |
| Driest Place | Atacama Desert, South America |
| Largest Planet | Jupiter |
| Brightest and Hottest Planet | Venus |
| Farthest Planet (from the Sun) | Neptune |
| Nearest Planet (to the Sun) | Mercury |
| Smallest Planet | Mercury |
| Highest Plateau | Pamir, Tibet |
| Longest Platform (Railway) | Gorakhpur, U.P, India – 1,366.33 m |
| Largest Platform (Railway) | Grand Central Terminal, New York, U.S.A |
| Largest Port | Port of Shanghai, China |
| Busiest Port | Port of Shanghai, China |
| Longest Railway | Trans-Siberian Railway – 5,772 miles long |
| Longest River | Nile (6,690 km), Amazon (6,570 km) |
| Longest River Dam | Hirakud Dam, Odisha, India – 15.8 miles |
| Largest Sea-bird | Albatross |
| Largest Sea (inland) | Caspian Sea – 143,200 sq. miles |
| Brightest Star | Sirius A (also called Dog-Star) |
| Tallest Statue | Statue of Unity – 182 m, Sidhubet, near Sardar Sarovar Dam, Gujarat, India |
| Tallest Statue (bronze) | Bronze Statue of Lord Buddha, Tokyo, Japan |