The Rockefeller Center was built between 1931 and 1939 and took the place of more than 200 smaller buildings in the area and employed 225,000 people during the Depression

Many know the famous Hollywood sign in Los Angeles, but some do not know that it actually used to read Hollywoodland, originally conceived as an outdoor ad campaign for a suburban housing development

Grand Central Terminal in New York officially opened on Sunday, February 2, 1913, and more than 150,000 people visited the new building on its opening day

A platform of the Central London Railway extension at Liverpool Street Station in July 1912

A 630-feet tall Gateway Arch remains the tallest man-made national monument in the USA. The foundation of the structure was laid in 1961 but work began in 1963 finishing in two years later in 1965

Space Needle restaurant is moved into place for final assembly. The restaurant serves food to guests 500-foot above sea level and was one of the feature attractions of the Seattle World's Fair of 1962

The Hoover Dam (previously called the Boulder Dam) on the Colorado River under construction in 1936. It stands over 700 feet high today

Photograph of the Los Angeles River on the north side of Griffith Park, ca.1898-1910.

A group of boys playing in a village ban in 1950

A gondolier navigates his way through Venice, in front of St Mark's square circa 1950 photo Getty Images

Hajj in 1889

Qurbani animals stayed with the pilgrims

Stoning the devil in the mid-1900s

Tents in Arafah during Hajj in the 1950s

A rare moment – Pilgrims continue Hajj even when the The Holy Kaaba was surrounded by water