Chesapeake Bay Tunnel
Known as one of the seven engineering wonders of the modern world, the chesapeake bay bridge-tunnel is a man-made phenomena surrounded by the natural beauty of the chesapeake bay. a favorite travel route and a popular tourist attraction, travelers enjoy visiting sea gull island's resturant, gift shop and a 625-foot fishing pier.
http://www.cbbt.com/
Boston Central Artery/Tunnel
Boston Central Artery/Tunnel
http://www.rstack.com/cat/cat.html
Holland Tunnel
Descriptive history and current conditions on the holland tunnel (i-78) between new york city and new jersey.
http://www.nycroads.com/crossings/holland/
Paw Paw Tunnel
Paw Paw Tunnel
http://www.fred.net/kathy/tunnel.html
The Union Canal & Tunnel
The Union Canal & Tunnel
http://www.mbcomp.com/litzonlebanon/union.htm
Tunnels in the USA & Canada
Tunnels in the USA & Canada
http://freespace.virgin.net/john.cletheroe/usa_can/tunnels/