Chicago isn’t holding back for its first Architecture Biennial, titled The State of the Art of Architecture, which will take over the city for three months starting this weekend. Modeled after the Venice Biennale and organized by Chicago’s Department of Cultural Affairs and Special Events and the Graham Foundation, the behemoth event is like the Olympics for architecture. It’s an international spectacle of bravura meant to flaunt the city’s commitment to pushing the envelope.With 100-plus architects participating and nearly as many events taking place across the grid, the event is as overwhelming as it is exciting. So, consider this your short list to the opening weekend.