How did Anthony Bourdain start parts unknown?

Anthony Bourdain started "Parts Unknown" after he became famous for his book "Kitchen Confidential: Adventures in the Culinary Underbelly". In the show, he travels to different countries and cities around the world, exploring their cultures, food, and people. The show was produced by CNN and ran for 11 seasons from 2013 until Bourdain's death in 2018.