Dark Sun: The Scorched World of Athas
The Lands within the Wind, also called the Feywild, is a land of soft lights and wonder, a place of music and death. It is a realm of everlasting twilight, with glittering faerie lights bobbing in the gentle breeze and fat fireflies buzzing through groves and fields. The sky is alight with the faded colors of an ever-setting sun, which never truly sets (or rises for that matter); it remains stationary, dusky and low in the sky.
The Feywild exists in parallel to the Material Plane, an alternate dimension that occupies the same cosmological space. The land was once whole, but now lies fractured, broken into many different pockets as a result damage to the world from the defiling of Athas.