Google NightWalk - An audio Streetview tour around Marseille
Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.
Cat Street View - Explore Japan... as a cat.
Altamira - Altamira is a communal marketplace for art, artists, and their fans...
Google Street Discovery - Discover 9,000+ beautiful Google street view locations
The Met - Official app of The Metropolitan Museum of Art