1. Kimberley Big Hole - South Africa
Apparently the largest ever hand-dug excavation in the world, this 1097 meter deep mine yielded over 3 tons of diamonds before being closed in 1914.
The amount of earth removed by workers is estimated to total 22.5 million tons.
2. Glory Hole - Monticello Dam, California
Glory hole is used when a dam is at full capacity and water needs to be drained from the reservoir.
This "Glory Hole" at Monticello dam, and it's the largest in the world of this type of spillway, its size enabling it to consume 14,400 cubic feet of water every second.
If you were to jump in for some reason, your body would shoot out near the bottom of the dam . There is one person known to have had this experience. She did not live to tell of it.
3. Bingham Canyon Mine, Utah
This is supposedly the largest man-made excavation on earth. Extraction began in 1863 and still continues today, the pit increasing in size constantly. In its current state the hole is ¾ miles deep and 2.5 miles wide.
4. Great Blue Hole , Belize
his incredible geographical phenomenon known as a blue hole is situated 60 miles off the mainland of Belize . There are numerous blue holes around the world, but none as stunning as this one.
At surface level the near perfectly circular hole is ¼ mile wide, and the depth in the middle reaches 145 meters. Obviously the hole is a huge hit with divers.
5. Mirny Diamond Mine , Serbia
It's an absolute beast and holds the title of largest open diamond mines in the world. At 525 meters deep, with a top diameter of 1200 meters, there's even a no-fly zone above the hole due to a few helicopters having been sucked in.
The red arrow in the photo above is pointing to a huge truck.
6. Diavik Mine, Canada
This incredible mine can be found 300km northeast of Yellowknife in Canada .
7. Sinkhole in Guatemala
A sinkhole is caused when water, usually rainwater or sewage, is soaked up by the earth on a large scale, resulting in the ground collapsing the surface.
he hole swallowed a dozen homes and killed at least 3 people last year.
Officials blamed the monster of a hole on a ruptured sewage pipe.
7 Amazing Holes in the earth 
Awesome shots Kimi 
and too big 
, creepy 
The optimist proclaims that we live in the best of all possible worlds;
