The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point, on Earth, measuring at 40,230ft feet. To put it into perspective, that's 12.2km, or 7.58 miles - that's the ...

The Woodingdean Well is 1,285 feet deep. It's the deepest hole that humans have dug by hand. 33 Chilean miners were trapped in a mine for about 2 months in 2010. The Burj Khalifa would go 2,722 ...