The image above shows a view from Curiosity's landing site inside Gale Crater; the elevated area in the distance is the crater wall. For more information on this image, visit Wall of Gale Crater. To learn more about this crater, visit The Strange Attraction of Gale Crater.
A different Curiosity image shows distinct layering in Mount Sharp, located in the middle of Gale Crater. Curiosity will travel to Mount Sharp to investigate the geology there.