The Diavik Diamond Mine is a diamond mine in the North Slave Region of the Northwest Territories, Canada, about 300 kilometres miles) north of Yellowknife. It has become an important part of the regional economy
The Great Blue Hole is the most popular dive destination in Belize. This massive hole under the water is near the Lighthouse Reef and creates a perfect circle of deep blue water. The water is 407 feet deep. It's breathtaking.
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 mile deep and miles wide.
The Great Blue Hole, Belize. One of the world's most famous dive sites, the submarine sink-hole is over 300 metres ft) across and 124 metres ft) deep and lies near the center of Lighthouse Reef, 70 kilometres mi) off the coast of Belize.