Have you ever wondered what world famous cities looked like decades ago? The impressive photos below will take us back to the past.

A series of rare photos of famous cities in the world decades ago Picture 1
A hot air balloon is flying over Paris, France with the Eiffel Tower in the background in July 1938.

A series of rare photos of famous cities in the world decades ago Picture 2
Tugboat on the Thames with the famous Tower Bridge in the background on a foggy day in London in 1952.

A series of rare photos of famous cities in the world decades ago Picture 3
A rare photograph of the famous Colosseum in Rome, Italy circa 1865.

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Friedrichstrasse or Friedrich was a famous street and main street in the center of Berlin in 1925.

A series of rare photos of famous cities in the world decades ago Picture 5
Avenida da Liberdade is an important avenue in central Lisbon, Portugal. This image was taken from the Avenida Palace Hotel in 1936.

A series of rare photos of famous cities in the world decades ago Picture 6
The streets of Sydney, Australia are crowded with people and vehicles in this photo taken in March 1963.

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The famous Copacabana beach in Rio de Janeiro, Brazil. The photo was taken on October 24, 1968.

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Panorama of the city square of Brussels, Belgium leading to Brussel-Noord Station in 1940.

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Located in the heart of Mexico City's historic center, the Zócalo is one of the largest squares in the world. The photo above captures this site in 1955.

A series of rare photos of famous cities in the world decades ago Picture 10
A market in Bern, Switzerland of unknown date.

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View of Melbourne, Australia from above in December 1954.

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Workers work on a gargoyle (a form of decorative sculpture with roof drains mounted on the walls of a structure) at the Chrysler Building in New York, 1940.

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Tram on King Street, Toronto, Canada in 1895.

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Tourists line up in Moscow's Red Square to enter Lenin's Mausoleum in 1950.

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A woman rides a bicycle on the streets of Copenhagen, Denmark, 1960.

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Houses along a canal in Amsterdam, Netherlands, 1900.

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Busy streets of Tokyo, Japan in 1937.

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Countless buildings are under construction in Abu Dhabi, the capital of the United Arab Emirates (UAE) in 1978.

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The famous city of Milan in Italy during the period from 1910 to 1920.