Still, regular polar bear swimmers insist they feel better after their dips, describing the invigorating rush they experience when they plunge into icy water.

CNN: Are polar bear plunges good for you?

After seeing a local family jump into a freshwater pool from a story-high perch, we took our own plunge into the crisp water.

WSJ: Driving the Hana Highway in Maui, Hawaii

Water cascades down the side of the mountain, providing hikers with a refreshingly icy plunge into the swimming hole below.

BBC: The Philippines�� secret sanctuary