The Guggenheim has invited creatives worldwide to come up with a way to fill the void at the Frank Lloyd Wright-designed museum, and starting on the 12th (through April 28th) you'll be able to see what the 200+ artists, architects, and designers imagined at the Contemplating the Void: Interventions exhibit. A few options are above; our favorite is JDS Architects, who proposed a spiraling trampoline net that looks really dangerous! more ›