I enjoy members' photos of landscapes where they live or frequent; of overflowing medicine cabinets filled with shaving supplies and streamlined storage solutions designed with military precision (I especially appreciate these since I'm dealing with chronic lack of drawer/storage space); and the simpler scenes of comfortable home life.
But sometimes these are just not enough. For the Big Picture, I go here:
http://apod.nasa.gov/apod/
The archives contain much wonder, with the 5-17-2013 view a good example.