Stuff About Minneapolis: The Northern Spark nuit blanche participatory art festival begins Saturday evening, 6/4, in Minneapolis. The overnight fest will feature “multi-story projections, audio environments with vistas, floating works on barges, houseboats and paddleboats, headphone concerts, and the use of everything from bioluminescent algae and sewer pipes for organs to more traditional media such as banjos and puppets.”

ʇɔǝɟɹǝd Duluth Day: Jump down a manhole/Light yourself a candle/Cast your aspirations/Forge an ironclad sensation. (Then, with  your winnings, you can deal with the handles stolen by some vandals.) [via]

City Pages: It’s Grand Old Day this Sunday in St. Paul! The official start of summertime drunken debauchery outdoor music festivals.