Fans of 'Grey's Anatomy' are still fascinated by Derek Shepherd's hair to this day. How did he get it like that? Why did he leave the show?

Shepherd still drives part-time in NASCAR's second-tier Nationwide Series, starting all 34 races in 2011. He hasn't won a Nationwide race since 1988. He's not finished racing at the top level.

Derek Kneeland long ago gave up his dream of being a full-time race car driver. The native of Windham, Maine, bid adieu to his racing dream at the age of 17 at the end of 2005. It was a selfless ...

It will be career start No. 1,000 in NASCAR's top three series for the 76-year-old Shepherd. Shepherd is 57 years older than the youngest driver in the race: Kaz Grala.

Patrick Dempsey -- aka dreamy Dr. Derek Shepherd in Grey's Anatomy -- talks about how he we went from acting to World Endurance Racing, and how it all started because he knew how to juggle and ...