With only one entry and exit point, going below the ice can be dangerous, but it's worth it. Ice diving transports you to a totally different world, one with crystal-clear water and alien marine life. Getting ready requires training beyond a regular certification—go to padi.com to find a course. Then visit our favorite location: Banff National Park in the Canadian Rockies.
- Hollywood MonstersHow big and small screen stars got in scary shape.
- Four Ideal Food and Booze Pairings for FallWhiskey and roast chicken, anyone?
- 7 Worst "Green" DrinksYou’d be an idiot to imbibe these juices and smoothies.
- Ripped Guys KnowThe tricks of the trade that all the pros would tell you.