Last Chance: Save Your Favorite Historic Site

Do you have a soft spot for a certain historic landmark? Today's your last chance to vote to preserve it.

Partners in Preservation, in conjunction with American Express and the National Trust for Historic Preservation, is offering up $3 million in grants to four New York City landmarks in need of a little TLC. The sites that score the money is up to you.

Of the 40 landmarks in the running, Brooklyn is home to the reigning top two: As of this writing, Central Library netted 9 percent of votes for new doors at the main entry, while Park Slope's Congregation Beth Elohim received 8 percent for renovation of its roof, parapets, dome and stained glass.

Other top contenders include the New York Botanic Garden and the Bartow-Pell Mansion Museum & Gardens, both located in the Bronx.

Learn more about the various places proposed for preservation—and to cast your vote—here.