The birth of the underground city
Life 20 feet below the street
Engineering and architectural design
The great flood of Tropical Storm Allison
YOUR GOAL
Master of The secret tunnels of Houston
misslily Houston Downtown Tunnel System
Under the ground, under the ground, We're keeping it cool downtown.
misslily Accessing the tunnels from the street is surprisingly tricky, requiring entry through specific skyscrapers.
misslily Over 150,000 daily workers use the tunnels to access shops, restaurants, and medical services.
misslily Decode the underground map to discover how six miles of secret tunnels connect downtown Houston.
Hidden cell service: Despite being 20 feet underground, the tunnels feature advanced fiber-optic networks to ensure seamless cellular service.
An artificial underground passage built through a hill or beneath a building, road, or body of water. In 1935, entrepreneur Will Horwitz built the first tunnel to connect three of his downtown movie theaters.
Which of these skyscrapers is one of the only buildings offering direct street-to-tunnel access?
What is the primary reason why Houstonians heavily utilize the tunnels during the summer?
Approximately how deep below the street level is the Houston tunnel system located?
Around how many people work in downtown Houston and have access to the tunnels daily?