Why? After all, it's just a gym. Here's why: The faux glitz and glamour so annoyingly present at many of today's so-called health clubs is nowhere in sight here. And it's not missed a bit, thank you.

In fact, the Iceland lagoon is known for its cloudy, milky blue water. You will not be able to see the bottom, but unlike an ocean or a lake, there are no fish in the Blue Lagoon so you don’t ...