Passengers riding one of the city's iconic cable cars provide a classic view of San Francisco, California, (note Alcatraz Island in the background) in 1954.
Photograph by J. Baylor Roberts, National Geographic
strong set of cords or wire ropes.
rail car pulled by a constantly moving underground system of cables.
tool or piece of machinery.
person who starts and manages a business.
event or symbol representing a belief, nation, or community.
a skillful movement.
subway or train used for public transportation.
place recognized by the U.S. government as having "exceptional value or quality in illustrating or interpreting the heritage of the United States."
to control or manage.
total number of people or organisms in a particular area.
metal made of the elements iron and carbon.
person who travels for pleasure.
movement of people or goods from one place to another.