I am the blueprint of order and design, An architectural puzzle, a riddle to unwind. From towering structures to bridges that span, I am the essence of construction's plan. With pillars and beams, I stand tall and proud, A testament to human ingenuity, unbowed. From foundations deep, my story unfolds, In symmetrical patterns, my beauty behold. I'm found in cities, where skylines meet the sky, A testament to progress, reaching high. Guess who am I, this puzzle to solve? A hint in the link, where Structures evolve.