Want to explore one of the four cities nominated for the 2016 Olympics? Enter for a chance to win a round-trip coach-class airfare for travel to Chicago, Madrid, Rio, or Tokyo in the Where I’ve Been Olympic Giveaway.

All you need to do is:
1) Follow Where I’ve Been on Twitter.
2) Retweet this message as stated: “Chicago, Madrid, Rio, Tokyo. Fly me to 1 of these Olympic 2016 nominees! Follow @whereivebeen & RT this message 2 win http://bit.ly/a3K6a”

The winner will be announced on the @whereivebeen Twitter page. If you are selected as the winner, make sure you Direct Message [DM] them, @whereivebeen, within 24 hours after the contest ends. In your DM, include the city (Chicago, Madrid, Rio, or Tokyo) you want to go to.

To qualify, all entries must be received between the hours of 9:00am CT on Thursday, October 1st, 2009 to 9:00am. CT on Friday, October 2nd, 2009. Limited to one [1] entry per person/twitter address.

For more information, click here, for the official rules.