It used to be you could change anything layered on top of a map, but you couldn't change the underlying map itself. Now you have several options for changing the color palette and the visibility of different objects that make up your base map. The options vary on the amount you can customize and how much work is required. But all three of these APIs can have you map scripting with style.
Created in 2006, Big Art Mob's original purpose was to accompany the Channel 4 show, 'Big Art Project'; the goal being to create the UK's first comprehensive map of street art. The site is now being re-launched along with iPhone and iPad applications, inviting users to upload and map public art anywhere in the world.
It may seem like lately geo APIs and mashups are getting a lot of coverage here on ProgrammableWeb, and for due reason: the geo API providers have been busy. From the release of v3 of the Google Maps API to the release of Yahoo!'s Placemaker "geo-enrichment" platform, there has been a lot of activity on the mapping front in the last few weeks.