Times New Roman by Pedro Javier Arbelaez. This poster in particular is a favorite of mine. I assume this poster goes through the history of Times New Roman. What's great is that Times New Roman is the only typeface used here.
London-based designer and illustrator Tim Fishlock posterized Harry Beck's famous alphabet made of sections and lines from the London Underground map. From the book "Alphabets: A Miscellany of Letters" by David Sacks
Un designer revisite la police d’Helvetica avec des formes impossibles