Teams explore the beauty of Austria and must learn a traditional wedding dance, yodel and a song performed on alpine bells.

Teams start a Megaleg in Bologna, Italy, where they must cart an 88-pound wheel of parmigiano cheese and build a Ducati Panigale V4 motorcycle.

Teams continue the megaleg and make their way to Florence, where they chisel out a sculpture from a large block of plaster and crash a fashion photo shoot.

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.

Teams drive to Toulouse, France, where they must run, tackle and kick their way through a roadblock while training with a champion pro rugby team.

Teams embark on a mega-leg in Malaga, Spain, where racers become grill masters and brave rough waters.

Teams continue on to Ronda, Spain, where they must choose to build an arch brick by brick or dress for success.

The final four teams race through Iceland to clinch a spot in the finale and a chance to win the $1 million prize.

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.