I am a student of civil engineering today i tell you Civil Engineering Projects of All Time.

1. Great Pyramid of Giza
   According to Napoleonic legend, the future emperor of France emerged from Egypt’s Great Pyramid pale and shaken, having spent hours alone in the King’s Chamber

2.Great Wall of China:
To defend off the invasions from northern invaders, Emperor Qin Shi Huang had all the walls joined up. Thus, the Great Wall came into being.

3.Aqueduct of Segovia:
The Aqueduct of Segovia was built during the second half of the 1st century A.D. under the rule of the Roman Empire and supplied water from the Frío River to the city into the 20th century

4.Panama Canal :
The idea of the Panama canal dates back to 1513, when Vasco Núñez de Balboa first crossed the isthmus. The narrow land bridge between North and South America houses the Panama Canal, a water passage between the Atlantic and Pacific Oceans.

5.Brooklyn Bridge:
The Brooklyn Bridge, built between 1869 and 1883, connects Manhattan with New York's most populous borough, Brooklyn. The bridge is one of the most famous and magnificent landmarks in New York City.

6.Hoover Dam:
The dam is named after America's 31st president, Herbert Hoover, who played a large role in bringing the nearby states into agreement about water allocations, settling a 25-year controversy. The dam has been called Boulder Canyon Dam as well as Boulder Dam, but Hoover Dam was reinstated as the official name by Congress in 1947.

7.Qingdao Haiwan Bridge:
China's vaulting economic ambition has set a new record with the construction of the world's longest bridge over water.

8.Burj Khalifa :
Truly a marvel of not just engineering but also imagination and design, the 828m Burj Khalifa has drawn visitors from all over the world since its opening in 2010.

9.English Channel Tunnel:
The Channel Tunnel (or Chunnel) (French: le tunnel sous la Manche) is a long underwater tunnel between England and France that runs under the English Channel at the Strait of Dover. It is only for trains. Some of the trains in the Channel Tunnel carry freight, including automobiles.

10.Golden Gate Bridge:
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the one-mile-wide (1.6 km) strait connecting San Francisco Bay and the Pacific Ocean.

This is my own research.Please up vote me.