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.
Two adjacent cells at Alcatraz Prison, San Francisco.
Love locks spotted on a fence along San Francisco’s Fisherman’s Wharf.
The Transamerica Pyramid rises into the azure sky over San Francisco.
Brightly-colored plants grow on the West Lawn and Terrace outside of the main cellblock at Alcatraz Prison, San Francisco.
Multi-colored sailboats docked in the early morning near Fisherman’s Wharf, San Francisco.
Yucca stalks grow along a bayside path at Alcatraz Prison, San Francisco.