From the carefree beaches of San Diego through the rugged, dramatic coastlines to the north, California has been building a trail, over 1,000 miles in length, within sight, sound, or smell of the ocean. It's a massive undertaking, and while work continues, much has been done. Starting May 4th and through Labor Day 2015, follow KCET as we travel up the SoCal coast from the U.S.-Mexico border to the Monterey County line.—KCET.org