But the world is also full of truly spectacular ... creating the 1,600-foot-deep lake. The earthen dam became known as Usoi Dam and, since then, its stability has been the source of great ...

The Three Gorges Dam, spanning the Yangtze River in ... It's also one of the deepest canyons in the world, reaching 19,714 ft (6,009 m) at its deepest. It's also 313.5 miles (504.6 km) long ...

the deepest borehole in the world at no less than 12,262 meters (or 40,229 feet). It was created by the Soviet Union in 1970 and worked on until 1994. The great powers not only fought relentlessly ...

How to determine the deepest lake in Arizona is another question ... The reservoir was formed by the construction of the Glen Canyon Dam in northern Arizona in 1963. The dam was built to help ...

If completed, they would be among two of the deepest human-made boreholes in the world. However they would not be deepest. That record currently lies with the now defunct Kola Superdeep Borehole ...