Los Angeles Harbor Light - Credit: Wikimedia Commons
Los Angeles Harbor Light, also known as Angels Gate Light, is a lighthouse in California, United States, at San Pedro Breakwater in Los Angeles Harbor, California. The lighthouse is listed on the National Register of Historic Places. It is listed as Los Angeles Light in the USCG Lights list. It is the only lighthouse in the world that emits an emerald-colored light.Boating Skills and Seamanship (14th edition, 2013), U.S. Coast Guard Auxiliary Association, Inc., McGraw Hill Education, p. 129 Read more on Wikipedia
Source: en.wikipedia.org