Filter Effects: Polarizer

Long before digital editors, photographers used filters to create special effects during capture. While not really a special effect, a polizer can be used to intensify blue skys, increase color saturation and eliminate reflections. For this challenge, enter images in which the use of a polarizer gives the image a "Wow" factor that would not occur without using polarizer. PLEASE: ENTER SHOTS WHICH WERE TAKEN WITH A POLARIZING FILER ON THE LENS. DO NOT CREATE THE EFFECT IN PP