Roll up your sleeves and dig in to get started with these structures.
The Tunnel Challenge
Through mountains, under rivers, beneath cities ... tunnels are no boring story!
Wonders of the World Databank
Is there a light at the end of the tunnel? Find out when you check out these tunnels:
Central Artery/Tunnel Project (Big Dig)
Channel Tunnel (Chunnel)
Chesapeake Bay Bridge-Tunnel
New York Third Water Tunnel
Paw Paw Tunnel
Find out how forces affect structures like tunnels in this hands-on workshop.
Who Builds Big?
Meet Miles Moffatt and Thomas O'Rourke, two engineers who get down and dirty with tunnels!
Here's where you'll find links to more terrific tunnel resources on the Web.
BUILDING BIG: Tunnels
Learn more about the PBS broadcast program.
Buy the DVD