Illustrate the iconic Iowa State Fair Butter Cow, a beloved annual attraction, in a colorful, whimsical style, with a golden-brown cow, surrounded by a halo of light, and a subtle Iowa State Fair logo in the background.

Design a vintage-style poster promoting Iowa's famous Field of Dreams movie location, featuring a whimsical illustration of the movie's iconic baseball diamond, surrounded by rolling hills and cornfields, with a warm sunset glow.

Create an illustration of the Iowa State Capitol building in Des Moines, Iowa, with a bold, iconic design, incorporating the state's colors and architectural style, set against a bright blue sky with puffy white clouds.