It's like my best worlds have collided -- cubing and rock music with this sweet portrait of Dave Grohl!
For anyone that solves cubes, it's not the prospect of solving them all, it's figuring out how to lay all of those cubes out correctly. But, because cubers are typically huge nerds, we've come up with a way to simplify that process. Choose your photo (harder than it seems), enter the colors of your stickers on your cubes (hopefully all 725 are the same), and adjust sliders until it looks the way you like.
Solving this puppy would seem like it would take for forever, but look how many cubes end up being all one color. For me, solving a fully scrambled cube takes an average of 35 seconds (a slow old guy in the cubing world). With this portrait, only one side needs to be solved. Almost everyone who has ever shown interest in the cube says to me, "I can only solve one side." Chances are, you could pull this off with enough time. For me, 725 cubes, even at 35 seconds per cube, would take just over seven hours to complete. You can totally do this on a smaller scale -- now you just need tons of cubes!