In 1776, draftsman Filippo Morghen produced a set of 10 etchings with a startling title: The Suite of the Most Notable Things Seen by Cavaliere Wild Scull, and by Signore de la Hire on Their Famous Voyage From the Earth to the Moon.
Philippe de La Hire was a real French astronomer; nothing is known of Scull, and in the second printing Morghen replaced him with natural philosopher Bishop John Wilkins as a putative source of his fantastic images.
As to life on the moon, it’s pretty wild — among other things, the lunar inhabitants live in pumpkins to protect themselves from wild beasts. You can see the whole series at Public Domain Review.