"CAFAM Granny Squared," the bold and bright installation by the knit graffiti collective Yarn Bombing Los Angeles, covers the entire facade of the Craft and Folk Art Museum in crocheted granny squares.
Who says you can't knit a house. The proof is this knitted house made for the London Architecture Biennale by the group, Knitting Site. They knit the house out of recycled materials (such as plastic garbage bags) over a scaffolding.
Interdependence Tree Project in Huntsville, Alabama by The Dream Rocket Project. Trunk-wrapping for live trees for a long period isn't good them but there's a dead tree at Talkin Tarn if you've wrapping ambitions.