Iceland is synonymous with adventure and unforgettable ... Take a dip in a geothermal swimming pool, an activity favored by Reykjavik locals. Immerse yourself in the natural beauty and fresh ...

In Grindavik, Iceland, this pool is one of the most famous ... San Alfonso del Mar in Chile is the world’s largest man-made ...

It's not just about cooling off or warming up. From Icelandic thermal baths to sky-high infinity soaks, these dozen posh pools make the biggest splash with travelers.