The bridge of the 1907 tugboat Hercules at the San Francisco Maritime National Historical Park.
The Red and White Fleet’s Enhydra sails past the submarine USS Pampanito and Liberty Ship S.S. Jeremiah O’Brien as it prepares to dock at Pier 45, San Francisco.
The Golden Gate Bridge spans from the San Francisco Peninsula to the Marin Headlands, as seen from historic Fort Point.
Detail of the intricate iron structure of San Francisco’s Golden Gate Bridge resembles a giant erector set.
The Golden Gate Bridge reaches towards the San Francisco Peninsula from the Marin Headlands.
The tall masts of the historic ships Balclutha and C.A. Thayer at the San Francisco Maritime National Historic Park.
The south tower of the Golden Gate Bridge disappears into the San Francisco fog.
The Pacific Ocean narrows to enter San Francisco Bay as seen from Lands End.
The western span of the San Francisco–Oakland Bay Bridge connects Yerba Buena Island and Downtown San Francisco.
Rows of prison cells in one of the cellblocks at the historic Alcatraz prison, San Francisco.
Detail of the SS Jeremiah O’Brien—one of only two surviving operational Liberty ships from World War II—docked at San Francisco’s Pier 45.
An educational streetlamp in San Francisco’s Japantown teaches the Japanese words for “cat”, “dog” and “crane”.
An American Flag flies in the wind at the Golden Gate Bridge Welcome Center, San Francisco.
The Golden Gate Bridge spans the entrance to San Francisco Bay as seen from the Marin Headlands.
The Golden Gate Bridge spans the entrance to San Francisco Bay.
The Golden Gate Bridge spans the entrance to San Francisco Bay, as viewed from nearby Crissy Field.
The morning sun illuminates the Alcatraz Federal Penitentiary in San Francisco Bay.
A gap in trees along San Francisco’s Lands End offers a glimpse of the Golden Gate Bridge.
One of the six 14-ft. diameter wheels (or sheaves) that pull the cable haulage for San Francisco’s three cable car lines spin non-stop at the cable car powerhouse and museum in the historic Nob Hill neighborhood.