India, Jan. 22 -- Ready to dip your toes in the icy waters of cold plunging? You're not alone. According to Google data, searches for "cold plunge" have nearly tripled over the last year. Though the science on cold plunging's effects is mixed, some studies show promise in its ability to help fight inflammation, anxiety, and even stress. And sure, you can build a cold plunge set up in your own backyard, but, come on, you're reading this on Travel + Leisure, so you didn't think we were going to present you with any old cold plunging opportunity, did you?

Rather than settle for a basic cold plunge, this year, TCS World Travel, a private jet expedition company, is inviting truly adventurous travellers to join its newest trip - A Nordic Adven...