ORANGE COUNTY'S ORIGINAL COURTHOUSE - View this location on map  - Built in 1900 of Arizona red sandstone, this is the oldest existing county courthouse in Southern California. Significant and far-reaching court decisions were handed down here, including the 'Whipstock' case dealing with slant oil drilling, interpretation of farm labor law, and the Overell trial which resulted in law regulating explosives. 211 W Santa Ana Blvd , Santa Ana, California Historical |