Largest
- Airport :-King Fahd International, located near Qatif(Saudi Arabia) in an area of 780 Km2 .
- Animal :- Blue Whale,33.58 meters.
- Animal(land) :- African Elephant, Average adult's height at shoulder 3.2 m;weight 6.5 tonnes.
- Continent :- Asia, area 41.66 million sq. km
- Country :- Russia with area 17.1 million sq. km
- Crater :- Toba,The world's largest caldera or volcao crater, in north-central Sumatra,Indonesia.
- Delta :- Ganga-brahmputra with area 75,000 sq. km in India and Bangladesh.
- Desert :- Sahara Desert in North Africa with area 8.4 million sq. km covering 6% of world's total land area and 28% of the land area of Africa.
- Dome(Modern) :- Louisiana Super Dome in New Orleans,USA.
- Gulf :- Gulf of Mexico in North Atlantic-South-West Pacific with Area 2,176,000 sq. km
- Island :- Greenland
- Lake(arificial) :- Lake Volta with area 8502 Km2 in Ghana.
- Lake(fresh water) :-Lake Superior in USA-Canada with area 82,400 sq. km.
- Lake(salt water) :- Caspian Sea; The world's largest inland sea,which has borders with Russia,Kazakhstan,Azerbaijan,Iran and Turkmenia.It is 1225 km long.
- Mosque :- Al-masjid al-Haram ,located in Mecca,Saudi Arabia.
- Museum :- Smithsonian Institution in Washington,USA.
- Ocean :- Pacific Ocean. It is the oldest ocean too.It occupies 32.25 percent of the earth's area.
- Park :- Northeast Greenland National Park.
- Peninsula :- Arabian Peninsula with area 3.25 million sq. km
- Power Plant :- Itaipu Hydroelectric Plant on the Parana river near the Brazil Paraguay border opened in 1984.
- Pyramid :- Great Pyramid of Cholula.
- River Basin:- Amazon River Basin, covers an area 7,045,000 sq. km; length 6,570 km;it has nearly 1500 tributaries.
- Sea Port :- New York-New Jersey.
- Stadium :- Strahov in Czech Republic.
- Temple :- Angkor Vat(Cambodia) with area 162.6 ha; built for Lord Vishnu by Khmer King Surya Varman II during 1113-50 AD.