San Francisco, CA Photo - Golden Gate Bridge, San Francisco, California

The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific Ocean. As part of both U.S. Route 101 and California State Route 1, the structure links the city of San Francisco, on the northern tip of the San Francisco Peninsula, to Marin County. It is one of the most internationally recognized symbols of San Francisco, California, and the United States. It has been declared one of the modern Wonders of the World by the American Society of Civil Engineers. The Frommers travel guide considers the Golden Gate Bridge "possibly the most beautiful, certainly the most photographed, bridge in the world" It is 75 years old in 2012.

Carol M. Highsmith (born 1946) is a photographer, author, and publisher who has photographed all 50 of the United States, the District of Columbia, and Puerto Rico for 30 years. She specializes in documenting architecture, ranging from the monumental to the everyday and whimsical. Highsmith is donating her life ’s work of more than 100,000 images, copyright-free, to the Library of Congress, which established a rare one-person archive. Out of 14 million images, the Carol M. Highsmith collection is featured in the top six alongside of Mathew Brady and Dorethea Lange. Credit line: Photographs in the Carol M. Highsmith Archive, Library of Congress, Prints and Photographs Division.

Credit line: The Jon B. Lovelace Collection of California Photographs in Carol M. Highsmith's America Project, Library of Congress, Prints and Photographs Division.