http://lparchive.org/Dwarf-Fortress-Boatmurdered/Introduction/ Boatmurdered is the tale of a Dwarf Fortress game. Dwarf Fortress is an incredibly detailed game where you manage an underground cave fortress of dwarves and mine for treasure. This save file was handed off to several people throughout its life and the story of this fortress is amazing. You won't stop laughing.
http://en.wikipedia.org/wiki/Pixel_art_scaling_algorithms Multiple algorithms are available to upsample pixel art (frequently found in old video games). Wikipedia's article compares several algorithms and shows some impressive results. This paper was also recently released and also gives excellent results. The supplementary material link lets you visually compare different algorithms.
http://www.flickr.com/photos/pepa_quin/3652206565/in/set-72157613753398532/ Lego reproductions of Starcraft units.