We took on the ultimate HOT vs. COLD pool challenge! One pool is boiling hot, the other freezing ice-cold. From popsicles to hot cocoa, see who survives the extreme temperatures and who taps out first ...

An aerial view of the Crystal Lagoon serving as centerpiece of the Epperson master-planned community in Wesley Chapel, Fla., a suburb of Tampa. Up until recently, cold plunge pools and Crystal Lagoons ...