Originally aired on Public Television.

Special features: printable materials for educators and parents ; access to the Building big Web site.

Edited by Mickey Green.

Hosted by David Macaulay.

How do tunnels stay dry under water? Who dug the first tunnels? Go underground with award-winning author-illustrator, and captivating storyteller, David Macaulay, and get an amazing look at tunnels through spectacular film footage, little-known facts and dramatic recreations. From ancient Rome to the remarkable Channel Tunnel that connects France and England, Tunnels introduces courageous engineers, relives deadly disasters, and reveals little-known personal triumphs and tragedies.

DVD.

Closed-captioned.