Algarrobo, Chile Olympic-size is for plebs. Thanks to advanced hydrotechnology, swimmers can paddle in a private ocean — like this $3.5 million, 20-acre, half-mile-long, 66 million gallon leviathan recently certified by Guinness as the largest pool in the world. Located in Algarrobo, Chile, about 70 miles west of Santiago and just yards from the Pacific, […]