https://www.secure02.com/Southwest/Specials/718.asp

Description:
Enter Southwest's Keystone, Colorado Giveaway Sweepstakes for your chance to win a vacation package for two to Keystone, Colorado.

Eligibility:
US residents (void in AK, HI, and NY), 21+

Start Date:
December 08, 2012

End Date:
December 31, 2012 at 6:00 p.m. CT

Entry Frequency:
One time per person.

Sweepstakes Prizes:
Grand Prize: A 4-night trip for two via Southwest Airlines to Denver, CO, three day ski lift tickets or summer mountain lift access, and $200 dinner credit. (ARV: 3,200)