Volunteers for the National Trust for Historic Preservation canvass neighborhoods to talk to people about the value of their homes, and teach them how to combat mold or remove sheetrock themselves.

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It's the only surviving above ground remnant of the World Trade Center and yesterday the National Trust for Historic Preservation named it one of the 11 most endangered places in the country.

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Partners in Preservation, a program we created with the National Trust for Historic Preservation to help restore, preserve and revitalize historic sites, asks the community to vote for the historic place they would most like to receive preservation funding from American Express.

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"These homes represented the creation of immense wealth at the turn of the century in the United States, the kind of wealth acquired through fundamental commodities like water, gold, oil and food, " said Katherine Malone-France, the National Trust for Historic Preservation's historic sites director of outreach, education and support.

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