The Great Pyramid of Giza
Although there are hardly any documents that give us much indication as to how long the pyramids and the Sphinx took to build, one instance may give us an answer. Greek historian Herodotus of Halicanassus, who visited Egypt in 450 BC, was reportedly told that the great pyramid took 20 years to build with the help of over 100,000 workers.
The Taj Mahal
The Taj Mahal was build over the course of approximately 20 years using about 20,000 workers.
The Statue of Liberty
French sculptor Auguste Bartholdi and his band of workers worked 10 hour days, 7 days a week, for a total of 9 years in order to build this statue.
Arc De Triomphe
This marvel of Paris took 30 years to build from start to finish. Since originally being ordered by Napoleon Bonaparte, the project went through several architects (one died mid-build) and was finally completed in 1836.
One of the most recognizable monuments in the world, this beautiful structure only took 2 years, 2 months, and 5 days to complete.
The Washington Monument
Simple, strong, and stunning, The Washington Monument took a total of 30 years to build, as construction had to be stopped during the Civil War.
The Empire State Building
One of the most recognizable buildings in North America, the Empire State Building stands tall in the great city of New York. It took a total of 1 year and 45 days to complete.
Surprisingly, this stunning ancient battleground and entertainment mecca took only 6-8 years to complete.
Looking like something out of an 80’s futuristic-type movie, this stunning building took 5 years to complete.
The Leaning Tower of Pisa
This bad boy took a total of 344 years to build. It should be noted, however, that it wasn’t constantly worked on for that entire time. In fact, one break on the building was 100 years long. The famous lean started when construction was started on the second floor.
One of the most famous images of London, Big Ben was built in 34 years.
Palace of Versailles
One of the most beautiful works of architecture on earth, the Palace of Versailles took about 54 years to complete.