"Prehistoric Earth" by Nathanoraptor
- Recommended by: Geosternbergia
- Crossover with: Walking with Dinosaurs
- Status: In Progress
- Synopsis: Join Drew Luczynski and company as they travel back in time and save the amazing animals that time left behind. Their goal? To bring them back to the safety of the present and give them a second chance. Welcome to the Ultimate Wildlife Sanctuary. Welcome to Prehistoric... Earth. (Gotcha).
- Comments: An enjoyable fic integrating all the time periods shown in the entire Walking With... series. There are some instances of repetitive writing, but overall the quality is excellent and the characters and plots engaging. Plus there's a lot of updated scientific accuracy. Would definitely recommend to fans of the Walking With... series in general.