share ko lang, from the internet and some forums
1. Darvaza Gas Crater-Turkmenistan(The Door to Hell):
In the heart of the Karakum desert of Turkmenistan the Darvaza Gas Crater or The Burning Gates give off a glow that can be seen from miles away during the dark night.
2.Kimberley Diamond Mine-South Africa:
The Kimberley Diamond Mine (also known as the Big Hole) 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.
3. Monticello Dam-California:
The Monticello Dam is a dam in Napa County, California, United States most noted for its large circular spillway with a rate of 48,400 cubic feet per second.
aun ung hole oh, pag daw tumalon ka jan, ang shoot mo, dun sa baba na.. hehe...
4 Bingham Canyon Mine-Utah
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. It is the world’s largest manmade excavation.(
5. Great Blue Hole-Belize
The Great Blue Hole is an underwater sinkhole off the coast of Belize. The hole is 1,000 feet across and 400 feet deep. It was formed as a limestone cave during the last iceage.
6. Mirny Diamond Mine-Siberia:
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
7. Diavik Mine-Canada
The Diavik Mine is a mine in the Northwest territories of Canada. The mine (opened in 2003) produces 8 million carats or about 1,600 kg (3,500 lb) of diamonds every year.
On February 26, 2007, a 300 foot deep sinkhole swallowed a dozen homes in Guatemala. The sinkhole was caused by rains and an underground sewage flow.