Metropolitan Design Center: Image Bank

"A searchable, downloadable database of approximately 20,000 Design Center images of the metropolitan landscape, including many low-level oblique aerial photos." [from website]Website has some excellent photographs of green infrastructure (gray, also), and is working on an urban forestry collection through a NUCFC grant:

"The Design Center Image Bank is one of the largest, free, online image collections on the internet. Approximately 26,000 photos are available free. This is one of the first collections to systematically catalog a large collection of land use and urban design images. This proposal will create ten online slide shows linked to downloadable images in the image bank to provide easy access for professionals and civic groups interested in locating images that can demonstrate the value of urban forestry."

Metropolitan Design Center: Image Bank