Who would have thought that old New York City subway cars could be put to such good use. This is much better than the landfill!
artificial reef

Subway Cars Make Great Artificial Reefs
(via www.othersideofnewyork.com)
Submitted by onaridge on Fri, 2008-04-25 18:19. | Tags: culture | artificial reef | marine life | recycling | reef
Growing Pains for a Deep-Sea Home Built of Subway Cars
(via www.nytimes.com)
Delaware’s novel use of submerged New York subway cars to revive a stretch of ocean floor has been so successful it is now competing with other states for a limited supply of cars.
Submitted by jcs44 on Wed, 2008-04-09 21:50. | Tags: nature | artificial reef | Delaware | Delaware Department of Natural Resources and Environmental Control | Indian River Inlet | new york city | Red Bird Reef | subway