|The Bingham Canyon Mine is a copper mine in the Oquirrh mountains, Utah. The mine is 0.75 mile (1.2 km) deep, 2.5 miles (4 km) wide, and is the largest man-made excavation on earth.|
A landslide in 2013 was detected on seismic networks.
|The Mirny Diamond Mine is 525m deep and has a diameter of 1200m. It was the first, and one of the largest, diamond pipes in the USSR. It is now abandoned.|
While it was still operational, it would take two hours for trucks to drive from the top to the bottom of the mine.
|The Udachnaya Pipe is a diamond mine in Russia. In ceased open pit operations in 2010 in favor of underground mining. The mine was discovered in 1955 and is over 600 meters deep.|
|The Kimberley Diamond Mine holds the disputed title of being the largest hand-dug hole in the world.|
From 1866 to 1914, 50,000 miners dug the hole with picks and shovels, yielding 2,722 kg of diamonds.