BETA
Chapter 1
Shaping the land and water
Chapter 2
From the Ohlone to the Gold Rush
Chapter 3
Engineering the Bay
Chapter 4
Innovations and cultural revolutions
YOUR GOAL
Master of Exploring the Bay Area
Ch 3 · Engineering the Bay
steve Engineering the Bay
Golden Gate, so bold and bright! (Oh-oh, International Orange light!) Started as a primer, what a sight! (Yeah-yeah, for the fog and the bay, just right!)
steve San Francisco's cable cars were invented in 1873 to safely climb the city's steepest, wettest hills.
steve Alcatraz Island evolved from a Civil War fortress into America's most famous maximum-security federal prison.
Fun Fact
Bridge color: The Golden Gate Bridge's famous color was originally just a primer, but architect Irving Morrow convinced officials it looked beautiful.
Glossary
suspension bridge (noun)
A bridge in which the weight of the deck is supported by cables suspended from towers. In 1937, San Francisco completed the Golden Gate Bridge, creating the world's longest span of this type.
A bridge in which the weight of the deck is supported by cables suspended from towers. In 1937, San Francisco completed the Golden Gate Bridge, creating the world's longest span of this type.
Quiz
Which famous prisoner, known as the 'Birdman of Alcatraz,' actually kept no birds while at Alcatraz?
Quiz
What major natural disaster in 1989 caused a section of the San Francisco-Oakland Bay Bridge to collapse?
Quiz
Who was the chief engineer who designed the Golden Gate Bridge, overcoming immense skepticism?
Quiz
What is the name of the underwater rapid transit tube that connects San Francisco and Oakland?
Quiz
What color is the Golden Gate Bridge officially painted to make it visible in heavy fog?