With the proper projector, the world is your canvas. Our friends at Oobject have assembled 15 of the most innovative building facade projections since MIT employed one as a giant Tetris board.

Be sure to also check out these 15 Blade Runner Buildings, these 12 movable facades, and this collection of ginormous screens.

3D Projection Mapping promoting The Tourist in Dallas

Occupy Wall Street, bat signal projections

deadmau5 and skyscraper projections for Nokia, London

3d Mapped Facade, Fete des Lumieres Lyon France

Building projection at Art Basel 2011

Nemesis-Ai Weiwei: Guerrilla projection by Geandy Pavon

Saks Fifth Ave Snowflake & Bubble 3D projection

HP Holiday 'Play Big' In NYC

Opening of The Future of Photography Museum exhibition

Hamburg Kunsthalle Projection

Hollywood-Sign Projection

Johannesburg's Life Centre projections

BMW JOY 3D, Singapore

LG Optimus Hyper Facade in Berlin

Prague Astronomical Clock - 600th Anniversary Show