A primeval landscape of black lava rocks covered in moss. Pools of chalky, ice-blue healing waters heated by the earth's core. Iceland's Blue Lagoon is mystical and almost surreal to see even in person. It's even been called one of the Wonders of the World. Now, there's a spa hotel where you can sleep overtop of one of the earth's most remote and celebrated wellness destinations.  What is the Blue Lagoon?Iceland's Blue Lagoon is man-made; water pulled from the depths of the earth...