[{SlideShowNav}] !!!San Diego Mission San Diego de Alcala [{Image src='0931.jpg' caption='San Diego Mission San Diego de Alcala, May 2015, © [Ewald Judt|Geography/About/Consortium/Judt,_Ewald]' alt='San Diego Mission San Diego de Alcala' class='image_left' width='675' height='900'}] The mission was the site of the first Christian burial, but is also regarded as the site of the regions first public execution. The mission is a National Historic Landmark. [{Metadata Suchbegriff='San Diego Mission San Diego de Alcala'}] [{SET customtitle='San Diego Mission San Diego de Alcala (3)'}]