Not all lakes are created equal. Some are mere puddles with delusions of grandeur, while others—well, others are the kind of showstoppers that make you want to quit your job, buy a canoe, and ...

Iceland's most popular visitor attraction, the Blue Lagoon is a giant bathtub that pools six million litres of geothermal seawater from 2000 metres beneath the earth's surface. By the time it ...