1) The Great Pyramid of Giza – This incredible creation consisted of two and a third million stone blocks, which required the constant labor of thirty thousand laborers to build. Initially at 146.5 metres (481 feet), the Great Pyramid was the tallest man-made structure in the world for more than 3,800 years.

great pyramids

2) Great Wall of China – The Great Wall of China was created to protect the Chinese states and empires against the raids and invasions of the Huns. What many people do not know about this enormous five thousand and a half mile long wall is that the mortar used in its construction is made of rice flour.

great-wall-of-china

3) Aqueduct of Segovia – The Aqueduct of Segovia is a Roman aqueduct in Segovia, Spain. These amazing aqueducts are made without the use of mortar, and are so well preserved that it is still in use today.

aqueduct of segovia

4) Brooklyn Bridge – The Brooklyn Bridge is a hybrid cable-stayed/suspension bridge in New York City and is one of the oldest bridges of either type in the United States. Completed in 1883, it connects the boroughs of Manhattan and Brooklyn by spanning the East River. It has a main span of 1,595.5 feet (486.3 m) and was the first steel-wire suspension bridge constructed.

brooklyn bridge

5) Panama Canal –  One of the largest and most difficult engineering projects ever undertaken, the Panama Canal shortcut greatly reduced the time for ships to travel between the Atlantic and Pacific Oceans.

Panama canal

6) Hoover Dam – Named one of the Seven Wonders of the World, the dam generates four billion kilowatt hours of electricity for use.

Hoover dam
7) Golden Gate Bridge – The bridge is one of the most internationally recognized symbols of San Francisco, California, and the United States. It has been declared one of the Wonders of the Modern World by the American Society of Civil Engineers.

golden gate bridge

8) English Channel Tunnel – A thirty-one mile long tunnel, the English Channel Tunnel currently contains the longest portion of any tunnel housed under the sea.

channel tunnel

9) Burj Khalifa – is a megatall skyscraper in Dubai, United Arab Emirates. It has a roof height of 828 m (2,717 ft), and with its antenna included, it stands a total height of 829.8 m (2,722 ft), making it the tallest building and the tallest structure in the world.

burj khalifa

10) Jiaozhou Bay Bridge –  It is currently the world’s longest spanned bridge over water and was specially designed to withstand earthquakes and typhoons.

Jiaozhou Bay Bridge