Los Angeles, CA -- Twin doctors, a couple of country singers and two newlyweds are among those who'll compete for the $1 million prize on the next season of "The Amazing Race."
The team of country singers includes a direct descendant of Daniel Boone and John Wayne's granddaughter. The race is more than 30,000 miles long and covers five continents and nine countries.
Contestants will have to skydive from 10,000 feet, hunt for scorpions and climb the face of a mountain in Switzerland, among other things. The 22nd season starts February 17.