Lake Erie looks like a frozen tundra, but beneath all of that ice goldfish are not only surviving, they may be thriving and growing to massive sizes.
About 2,000 feet under Lake Erie, 30 miles east of Cleveland in Fairport Harbor, Ohio, you'll find a vast site called the Morton Salt Mine. Since 1959, the Fairport Harbor Morton Salt Mine has ...
"I'm not sure that people connect the large piles of salt to the massive mining operation happening 2,000 feet below the lake." Workers can enter the mine by taking a four-minute elevator ride.