There are Street View images that wasn't taken by the Street View car, for example inside airports:

http://www.theverge.com/2013/11/26/5147124/google-street-vie...

Also: Treks Journey beyond the road:

https://www.google.co.uk/maps/about/behind-the-scenes/street...

and you can expect even more wired angles:

http://edition.cnn.com/2014/10/09/travel/google-street-view-...