Do check out our new road fatality mapping for the USA giving details of the 369,629 fatalities on US roads between 2001 and 2009. Use the 'share' features to tweet a link to the current map view, send a URL by email, embed a link to the map view in a website or even embed a slippy map in your own website of blog.*
Here is an embedded slippy map for the USA (try panning and zooming and selecting place using the search):
Here is an embedded map for downtown Los Angeles:
*You can easily embed a map for an area of interest in your own website or in Blogger. To do this first select the map view of interest, then click on the share icon and copy the text in the box below the 'embeded' heading and paste it into your website. Adjust the height and width as appropriate. It isn't yet possible to embed maps in Wordpress.com blog.