I am never too far from time travel stories. Time travel is a staple of fantasy and science fiction, irresistible to me. It makes this posting from 2013 one of my favorites.
In a four-part saga from the late thirties, All American Comics by author Carl H. Claudy, a team goes back a million years, to a time when “monsters stalked through the steaming jungle, and men hid in caves and hunted like apes!”
You can see this prehistoric comic serial by just clicking on the thumbnail below.