Teams travel to Jordan, where they ride a train and experience a scene reminiscent of the 1963 film "Lawrence of Arabia, " search the Wadi Rum desert and visit the ancient city of Petra.
A shocking elimination takes place while teams continue their Jordanian journey; teams take part in a traditional folk dance and learn the Arabic alphabet.
Teams drive to Dordogne, France, the city of 1,001 castles, where they extract walnut oil, play three medieval games and flex their memory muscles while rappelling down the side of a castle.
The final three teams travel 3,000 miles to race through Nashville, Tenn., for the final showdown, where they must deliver guitars and play a giant floor piano to win the $1 million prize.
