World's Largest,Longest and Highest Man-made Structures

Longest Rail line=> Trans-Siberian line from Moscow to Nakhodka,9438 Kilometres long,Location Russia.

Largest Temple(Hindhu)
=> Angkor Vat , Cambodia.

Longest Wall
=> The Great Wall Of China, China

Longest Railway Platform
=> Kharagpur(833 metres),Kharagpur , West Bangal,India

Largest Cathedral
=> Diocese of New York, New York

Longest Railway Bridge
=> Huey p,Long Bridge,Metairie ,Louisiana,US

Busiest Airport Road Bridge
=>Chicago, O'Hare International Airport, Chicago,Illinois

Highest Road Bridge Over Water
=> Royal Gorge,River Arkanas,Colorado

Largest Library 
=>The Library of Congress,Capital Hill,Washington,DC

Largest Ocean
=>Pacific

Largest Gulf
=>Gulf of Mexico

Largest Island
=>Greenland(Renamed Kalaatlit Nunaat)

Largest Bay
=>Hudson Bay,Northern Canada

Tallest Animal
=>Giraffe

Largest Bird
=>North American Ostrich

Largest Animal
=> Blue Whale

Largest Egg
=>Ostrich Egg

Smallest Bird
=>Bee Hummingbird

Smallest River(Shortest)
=> Roe River in Montana

Largest Sea
=> South China Sea

Largest Delta
=> Sunderbans

Driest Place
=>Atacama Desert,Chile

 Highest Waterfall
=> Salto Angel,Venezuela

Largest Desert
=>The Sahara, North america

Hottest Place
=> Aziza, Libya

Largest Glacier
=>Siachen,Indo-Pak Border

Coldest Place
=> Vostok Station(Antarctica)