From the BBC:
Street scenes in 25 UK cities from Aberdeen to Southampton can be viewed using the service.
The Netherlands version of the service also launched on Thursday, bringing the number of countries covered to nine.
The imagery available comprises video taken along 22,369 miles of UK streets by customised camera cars.
Google Maps users can zoom in to a given location and then drag the "Pegman" icon above the zoom bar on to a given street.