The Library of Congress just added a whole slew of old New York Tribune covers to their Flickr account. This one caught our eye: an underwater boulevard connecting Brooklyn and Staten Island! The cover read: "Now for a boulevard under the sea... Ambitious plan for a tunnel 100 feet wide and 10,000 feet long, easy to approach at either end for vehicles of all kinds, and calculated to keep commuters within city limits instead of letting them get away to Jersey and Westchester." View the full cover after the jump; the edition is from September 18, 1910. Also of note: this proposed new thoroughfare to relieve traffic congestion on Fifth Avenue. more ›

A reader sent us some photos of retired subway cars traveling by barge to their watery graves. Once hitting the correct latitude they're dumped overboard to create natural reefs. Earlier this year the reef program proved to be too popular in Delaware, where subway cars were sent on the MTA's dime. Reportedly they're adding tanks, refrigerators, shopping carts and washing machines to the ocean floor in order to expand the reef. more ›

A tipster sends over what they describe as "a really rad clip of downtown Manhattan totally flooded, under what looks like 25 feet of water." We think it's more scary than it is rad...scarier than a fictional monster attacking New York. The real fear of what could be our future is shown below in what's part of Six Degrees Could Change the World which "explores the potential impacts of global warming degree-by-degree—through six degrees over the next hundred years." more ›