Tibetan Mastiff

A Tibetan Mastiff puppy in 2011 sold for $1.5 million. The breed, a member of the Working Group in this year's 137th Westminster Kennel Club Dog Show, is difficult to find, according to the American Kennel Club, but nomads in China still breed it.

A pedigree Tibetan mastiff appears in this file image on April 6, 2012, during an outdoor dog show in China.

Credit: Mark Ralston/AFP/Getty Images, CBS