The thing to see in Granada is the Alhambra. After the Caliphate of Cordoba fell apart and the Christian kingdoms started picking off the taifas and the Almoravid and Almohad dynasties collapsed, the Nasrid Emirate was the last Muslim land standing in Spain and their court was in the Alhambra.

Alhambra

Alhambra

Also, despite being in southern Spain, the Sierra Nevadas have snow.