Jules Verne sent Phileas Fogg around the world in 80 days, but how far is that anyway? How fast would he have had to travel? How long would it take today to go around the world?
http://www.andrewcaelliott.com/explorations/2017/3/21/around-the-world-in-how-long
Wonderful tale by Ben Orlin “Math with Bad Drawings”, of a creature exploring the world of numbers, very much in the spirit of “Flatland”.
http://mathwithbaddrawings.com/2016/01/20/the-number-line-a-journey/
This video recreates the classic “Powers of Ten” film, zooming out to larger and larger scales to the limits of our understanding of the universe, and then zooming in again, down to the smallest things we know about.
It’s an excellent way of illustrating relative magnitudes of distance. One gripe: it all happens a bit too quickly: try watching it at half speed.