NASA has recently updated their own library of imaginary. It claims to contain all pictures and videos since the very beginning of the organisation. If you are a passionate or just a curious soul you can now browse on all videos, audios and picts that this space agency has made so far. ( Event from those from the moon that they are supposed to be fake? :p)
One of the coolest tool they are using on the library is the time-line filter so you can search for a specific year.
Get yourself lost in space.