Here from my network. I love and adore this idea. Trying to pick is breaking my brain, so I'm posting what I have off the top of my head:

Books:
Lord of the Rings trilogy by JRR Tolkien
Solution Three by Naomi Mitchison
Brain Plague by Joan Slonczewski
Dune by Frank Herbert
Beggars in Spain (the novella, NOT the full-length novel) by Nancy Kress
The Green Sky trilogy by Zilpha Keatley Snyder (Below the Root, And All Between, Until the Celebration)

TV:
The X-Files
Star Trek, the original series

Fanfic:
If you want to kiss the sky by siegeofangels