The secret tunnels of Houston
Chapter 1
The birth of the underground city
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Chapter 2
Life 20 feet below the street
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Chapter 3
Engineering and architectural design
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Chapter 4
The great flood of Tropical Storm Allison
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YOUR GOAL
Master of The secret tunnels of Houston
Ch 3 · Engineering and architectural design
misslily Houston Downtown Tunnels
Under the street, under the street We're escaping the summer heat
Fun Fact
Spongy foundations: Because Houston lacks bedrock, skyscrapers and tunnels are supported by floating concrete foundations that distribute weight evenly.
Glossary
tunnel (noun)
An artificial underground passage, especially one built through a hill or under a building, road, or river. In 1961, a new tunnel linked the Bank of the Southwest to the Mellie Esperson Building.
An artificial underground passage, especially one built through a hill or under a building, road, or river. In 1961, a new tunnel linked the Bank of the Southwest to the Mellie Esperson Building.
Quiz
What engineering technique is used to support Houston's heavy skyscrapers on its soft, bedrock-free soil?
Quiz
Which of these is NOT a business type you would commonly find operating inside the Houston tunnels?
Quiz
What major geological challenge do engineers face when digging tunnels under Houston?
Quiz
What decorative elements are used to make the windowless Houston tunnels feel more welcoming?
Quiz
What vital infrastructure runs in hidden conduits alongside the pedestrian paths in the tunnels?
Quiz
How does the Houston tunnel system overcome obstacles like deep utility lines that block underground digging?