Subways

[WallShadow]

http://www.theverge.com/2014/2/5/528...-avenue-subway -- Atlantic Avenue abandoned subway tunnel in Brooklyn. 2570-ft long.

http://www.nycgo.com/slideshows/new-york-secrets/11/ Brooklyn Bridge (Manhattan side) Bomb shelter and hidden chambers--restocked by the folks who brought you the Strategic Reserve stockpile(s) of Allegheny Uprising?

http://www.nycgo.com/slideshows/new-york-secrets/2/ -- "Lost Station" subway stop under NYC City Hall, something one of the Duke's opponents might pay well to learn of.

http://gizmodo.com/how-one-inventor-...nde-1123695775 Mr. Beach's Pneumatic Subway, on Manhattan Island.