what is the largest man made object on earth
Per wiseGEEK: 1  The largest man-made object in terms of weight and 3-D volume is the Three Gorges Dam spanning the Yangtze River in China. As previously mentioned, the dam weighs about 34 million metric tons, has a length of 2,335 m (7,661 ft) a height of 185 m (607 ft), width (at the base) of 115 m (377.3 ft).
Quick Answer. As of 2014, The Great Wall of China is the largest man-made structure on Earth, stretching over 4,000 miles from the Shanghai Pass to the Bohai Sea. The Great Wall started as individual walls built over several dynasties, but over the centuries, the walls were thickened and joined to form the Great Wall.