Window-swap.com is where I go when I want a quick sketch of a view out of a window somewhere really anywhere, in the world. I really enjoy the uncomposed nature of the views and that they come with movement and ambient sounds.
Here are two recent ones in different styles: the first one is watercolor, ink and gouache and the next one is just watercolor.
Open a window today and sketch a new view. Or, upload the view from your window for the world to enjoy!