Friday, November 1, 2013

~The lighthouse at P

~The lighthouse at Pigeon Point is one of the tallest lighthouses in the United States at 115 feet tall and is approximately 50 miles south of San Francisco along a rugged stretch of coast in San Mateo County. Saturday night was the 138th anniversary lighting of its first-order Fresnel lens which is comprised of 1,008 prisms. This lens is massive, standing 16 feet tall and 6 feet in diameter while weighing 8,000 lbs.~