Rivers:
1. Nile (6630 Km) Africa 2. Amazon (6240 Km) South America
3. Mississippi-Missouri (60125 Km) North America 4. Irtysh (5120 Km) Europe
3. Mississippi-Missouri (60125 Km) North America 4. Irtysh (5120 Km) Europe
5. Yangtze (4960) Asia 6. Amur (4640 Km) Asia
7. Congo (4350 Km) Congo 8. Hwang Ho-Yellow (4320 Km) Asia
9. Volga (3665 Km) Europe 10. Indus (3170 Km) Asia.
Mountains:
- Everest (29028 ft.) Himalayan Range, Nepal-Tibet
- Godwin Austin –K2 (28288 ft.) Karakoram Range, POK.
- Kanchenjunga (28168 ft.) Himalayan Range, Nepal-Sikkim (India).
- Makala (27790 ft.) Himalayan Range, Tibet- Nepal.
- Dhaulagiri (26790 ft.) Himalayan Range, Nepal.
- Nangaparbat (26660 ft.) Himalayan Range, India.
- Nanda Devi (25645 ft.) Himalayan Range, India.
- Turich Mir (25236 ft.) Hindukush, Pakistan.
- Victory Peak (24406 ft.) Pamir Range, Russia.
- Muztagh-K5 (23891 ft.) Kunlun Range, China.
Airport:
Largest: King Abdul Aziz International Airport, Jeddah, Saudi Arabia.
Highest: Lhasa Airport, Tibet.
Animals:
Tallest: Giraffe
Largest and Heaviest: Blur or Sulphur bottom Whale
Largest Land Animal: African Bush Elephant
Fastest Land Animal: Cheetah
Building:
Tallest Office Building: Taipei 101 (Taipei Financial Center), Taiwan.
Countries:
Largest in Area: Russia
Smallest in Area: Vatican City
Dams:
Largest: Grand Coulee Dam, USA.
Highest: Rogunsky, Russia.
Largest Delta: Sunderbans (Created by Ganga and Brahmaputra in West Bengal)
Largest Desert: Sahara (North Africa)
Largest Gulf: Gulf of Mexico
Largest Island: Greenland
Lake:
Largest: Caspian Sea
Deepest: Baikal, Central Siberia, Russia.
Largest Fresh Water Lake: Lake Superior.
Largest Library: United States Library of Congress, Washington D.C., USA.
Minaret:
Tallest: Sultan Hassan Mosque, Cairo (Egypt).
Tallest-Free Standing: Qutab Minar, New Delhi (India)
Museums:
Oldest: Ashmolean Museum, Oxford.
Largest: American Museum of Natural History, New York.
Largest Palace: Imperial Palace, Beijing, China.
Oceans:
Largest: Pacific Ocean.
Deepest: Pacific Ocean.
Largest Peninsula: Arabia.
Planets:
Largest: Jupiter
Smallest: Mercury
Nearest To Sun: Mercury
Nearest To Earth: Venus
Farthest From Sun: Pluto
Brightest: Venus
Population:
Largest: China
Least: Vatican City
Most Populous City: Tokyo, Japan
Most Densely Populated Territory: Portuguese province of Macau
Most Sparsely Populated Territory: Antarctica.
Railway:
Largest Railway Station: Grand Central Terminal, New York City, USA.
Largest Railway Platform: Kharagpur, West Bengal, India.
Religion:
Oldest: Hinduism
Largest: Christianity
Largest Sea: South China Sea
Brightest Star: Sirius A (Dog Star)
Tallest Statue: “Motherland” Volgagarad, Russia.
Straits:
Largest: Tartar Straits (Between Sakhalin Island and the Russia).
Broadest: Davis Straits (Between Greenland and Baffin Island).
Largest Temple: Angkor Vat in Kampuchea.
Tunnel:
Largest (Railway): Oshimizu Tunnel, On the Tolyo-Nilleate Joetsu line in Central Honshu under Tanigawa Mountain (22.2 km).
Longest: Tunnel under the Gotthard mountain range in Switzerland (16.32km).