Jessica Van Der Steen

Sports Illustrated's 40th Anniversary Swimsuit Edition. Tyra Banks, Heidi Klum, Marisa Miller, and many of the popular models come back for the 40th.

From river rafting to snowboarding, Sports Illustrated has gone global for an action sports adventure with the world's most beautiful women. You will also see Olympians Jennie Finch and Amanda Beard and a few surprises you won't want to miss.