Airport
Largest- King Khaled International Airport outside Riyadh (Saudi Arabia)
Highest- Bangda Airport, Tibet
Busiest- Hartsfield Atlanta International (ATL)
Bank
Largest- Deutsche Bank AG, Frankfurt, Germany
Building
Tallest (Office Building)- Petronas Twin Towers, Kuala Lumpur (Malaysia)
Canals
Grand Canal of China
Longest in ancient world- Grand canal of China (From Beijing to Haugzhou)
Busiest Ship Canals- Kiel Canal linking the North Sea with the Baltic Sea in Germany.
Longest Big Ship Canals- Suez
Canal linking red sea and Mediterranean sea.
Longest irrigation canal- Karakumsky canal from Haun-khan to Ashkabad, Turkmenistan
Cathedral
Largest- Basilica of St. Peter in the Vatican City, Rome
Dams
Most Massive- Itaipu Dam on Parana river on the boundary between Brazil and Paraguay.
Largest (Concrete)- Grand Coulee Dam, on Columbia River, Washington State, USA
Highest- Rogunskya Dam across river Vakhsh, Tajikistan
Longest- Yacyreta-Apipi Dam (across Parana on Paraguay-Argentina Border)
Estuary
Largest- Ob, North of Russia
Fountain
Tallest- At Fountain Hills Arizona
Gulf
Largest- Gulf of Mexico
Hydroelectric Plant
Biggest- Itaipu (Brazil)
Lagoon
Largest- Lagoa dos patos (Brazil)
Lighthouse
Tallest- Steel tower near Yamashita in Yakohama (Japan)
Minaret
Tallest- Great Hassan II Mosque, Casablanca, Morocco
Tallest (Free Standing)- Qutab Minar, New Delhi, India
Newspapers
Largest Circulation- Yomiuri Shimbun (Japan)
Park
Largest- National Park of North Eastern Green Land
Port
Largest- Port of New York and New Jersey (USA)
Busiest- Rotterdam (Netherlands)
Railway
Largest Railway Station- Grand Central Terminal, New York City, USA
Highest Railway Station- Condor Station in Bolivia (4786m)
Longest Railway Platform- Kharagpur, West Bengal, India(833m)
Stadium
Largest- Strahov Stadium, Prague, The Czech Republic
Street
Longest- Youge Street (From Toronto, Ont. to Rainy River), Canada
Structure
Tallest- Warszawa Radio Mast at Konstantynow near Gabin and Plok, Poland
Temple
Largest- Angkor Wat in Cambodia
Theater
Oldest (Indoor)- Teatro Olimpico, Vicenza, Italy
Tomb
Largest- Mount Li Tomb, the burial place of Quin Shi Huangdi, the first Emperor of Qin (221 BC)
Trees
Largest- General Sherman Tree, California, USA
Tallest (Living)- "Coast Redwood" in redwood National Park, California, USA.
Animals
Tallest on Land- Giraffe
Largest Land Animal- African Elephant
Fastest Land Animal- Cheetah
Bay
Largest- Hudson Bay (Northern Canada)
Castle
Largest (inhabited)- Windsor Castel (Windsor, Berks)
Continents
Largest- Asia
Smallest- Australia
Crematorium
Largest- Nikolo-Arkhangelskiy Crematorium (East Moscow, Russia)
Countries
Largest in Area- Russia
Smallest in Area- Vatican City
Delta
largest- Sundarbans (created by Ganga and Brahmaputra in W. Bengal, India and Bangladesh)
Desert
Largest- The Sahara (North Africa)
Dome
Largest- Lousiana Superdome, New Orleans, USAExhibition Centre
Largest- International Exposition Centre in Cleveland, Ohio, USA
Gorge
Largest- Grand Canyon (on the Colorado river in north central Arizona (USA)
Hotel
Largest- The Excalibur Hotel in Las Vegas, Nevada, USA
Most Capacious- The Hotel Rossiya in Moscow (Russia)
Library
Largest- United States Library of Congress, Washington DC
Largest (non-statutory)- New York Public Library, New York
Museums
Oldest- Ashmolean Museum, Oxford
Largest- American Museum of Natural History, New York, USA
Palace
Largest- Imperial Palace (Gugong) in Beijing, China
Population
Most Populous Country- China
Least Populous Country- Vatican City
Most Populas City- Tokyo, Japan
Most Densely Populated Territory- Former Portuguese overseas territory of Macau since merged in China.
Religion
Oldest- Hinduism
Largest- Christianity
Roads
Longest Motorable Pan- American highway, from north west Alaska (USA) to Santiago (Chile), thence eastward to Buenos Aires (Argentina) and Terminating in Brasilia (Brazil).
Statue
Tallest- Bronze statue of Buddha in Tokyo (Japan)
Largest- Bamiyan (Afghanistan) remains of Sakya Buddha (Since vandalised by Taliban)
Telescope
Largest-(Reflector)- On Mount Semirodriki, near Zelen Chukskaya in the Caucasus Mountains, Russia
Largest-(Refractor)- At Yerkes Observatory Williams Bay, Wisconsin (belonging to University of Illinois, USA)
Largest (Radio Telescope)- Giant Meterwave Radio Telescope at Khodad near Pune (Maharashtra)
Tower
Tallest- CN Tower, Toronto, Canada
Wall
Largest- Great wall of China.
Valley
Deepest- Kali Gandaki Valley between Dhaulagiri and Annapurna ranges of Nepal, Himalayas.
