Answer by Sandhya Ramesh:
Edited to add one more account because this one is equally awesome too.
His username is muradosmann.
He travels a lot with his [really hot] girlfriend, and posts pictures of her leading him by the hand to all of these different places – a very innovative idea.
Here are some pictures:
He's a photographer and she's a model. Of course.
His username is balletzaida.
He posts pictures of ballet dancers at different, unexpected locations.
The photoshoots are almost exclusively in SFO.