While most people are familiar with the Great Wall, Bingham Canyon Mine is virtually unknown. More than 2.5 miles wide and 4,000 feet deep -- it's so vast, it produces its own weather patterns -- the mine is open to visitors from April through October.
I recently traveled there and discovered the surreal splendor of this mine, which, in a bizarre way, rivals Utah's natural wonders. The hills here hold the richest copper deposit in the world, so far yielding more than 17.5 million tons over the past century. Mine operations are planned through 2018 to make the pit wider and deeper; after open-pit mining ceases, underground mining is expected to commence. On the