...sometimes I love you.
You can get these posters as digital downloads, but I want a color print for my wall.
It's hard to visualize what different planets might look like, so artists working for the JPL have produced exoplanet travel posters.
The top one is particularly interesting, featuring red vegetation. It's very likely that vegetation on other planets will be a color other than green. Plants are green because its the most efficient color to be with our particular star and our particular atmosphere. Elsewhere...well...
Go check them out.