Of course, the technology doesn't exist to visit these locations. Moreover, the atmosphere is such that humans aren't likely to touch down for a very long time, if ever, at many of these locations. But the point is, of course, that (unmanned) deep space exploration is happening now. NASA is gathering important data and sharing awe-inspiring looks at the solar system, like the incredible photos of Jupiter coming back from Juno or the photos of Saturn Cassini has sent back.
You can get a look at most of the posters below. To see them all, head to the JPL's website, where you can download high-res versions and print them out. Then go fall asleep dreaming of Europa every night.