A panoramic view of a fantastical valley with floating islands and exotic, arching rock formations under a vibrant sunset. The scene captures a dream-like quality with deep blues and iridescent colors. The floating islands are lush with alien vegetation, and the rock formations are intricate and majestic. The sunset casts fiery orange highlights and long shadows across the valley, enhancing the ethereal and otherworldly atmosphere of the landscape. This image is designed to be a high-resolution digital artwork.