What is the prettiest part of Oklahoma?

Can you tell me, in your opinion, what stands out as the most visually stunning aspect of Oklahoma? Is it perhaps the rolling hills that stretch out for miles, painted with hues of green and brown? Or could it be the sparkling lakes that DOT the landscape, reflecting the blue skies above? Maybe it's the vibrant wildflowers that bloom in the springtime, adding a touch of color to the otherwise rustic countryside? I'm curious to hear your thoughts on what truly makes Oklahoma a picturesque place.