What is the tallest freestanding structure in the world? Hint: It is 2,717 ft tall. * Required
- Eiffel Tower
- Burj Khalifa
- Empire State Building
- Cinderella Castle
Which bridge was called "The bridge that couldn't be built"? * Required
- Brooklyn Bridge
- Galloping Gertie
- Rialto Bridge
- The Golden Gate Bridge
How heavy were the stone blocks used to build the Great Pyramid of Giza? * Required
- 2.5-80 tons
- 1-3 tons
- 1 ton
- 100-125 tons
What does the Panama Canal connect? * Required
- Indian and Pacific Oceans
- Atlantic and Indian Oceans
- Atlantic and Pacific Oceans
- Arctic and Southern Oceans
How does the English Channel Tunnel release the pressure that is built up from the high speeds of the trains passing through? * Required
- Valves inside of the tunnel that open and close
- It doesn't need to release pressure
- Creation of a humid environment inside the tunnel
- A slight continuously upward slope
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If you need a refresher on landmarks showcasing the innovation of civil engineering, watch The Astounding Chase!

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