Two museums in Seattle link up two Teletype 37s (1969) for four hours so people could chat and, you know, send ASCII Homers.

PETSCII by Max Capacity, 2014.
From the text-mode game Dwarf Fortress, in development for 10 years already. It generates a new map every time you start the game and this is one of them.
Braintree’s ASCII mural advertising. They also do ASCII-games and other Courier-stuff. Not everyone likes it though (re: last pic).
Sources: robot, bike, dragon, dragon wip, car
Links updated 2024. More Braintree.