Planetizen just announced its best websites devoted to planning and development for 2013. The list highlights some amazing resources that can be found online including:
Abandoned America: Matthew Christophe has made it his mission to document the “mesmerizing beauty and lost history” embodied in abandoned buildings throughout the United States.
BlightStatus: . . . .a website and information service that allows users to look up information on blighted properties in their communities, and to keep updated on what the city is doing to clean them up. . . .
The Global Urbanist: . . . .The Global Urbanist is an invaluable tool for outsiders wishing to understand how informal economies, ad-hoc design, and the politics of place function in the world’s informal cities. . . .
You can see the full list here.