"The Amazing Race" is back for its 13th season and again the 11 competitors are in for a once-in-a-lifetime experience as they race for the $1 million prize.

Have backpacks will travel: This season's duos -- ranging from geeks to chic -- will journey more than 30,000 miles and cover five continents in 23 days, starting from the world-famous Los Angeles Memorial Coliseum. Exciting new locations for this season of "Race" include stops in Cambodia and Kazakhstan.

Check out ET's "Amazing Race" photo gallery here!

Phil Keoghan will return as the Emmy winning show's host when the season premieres on Sunday, September 28 on CBS.