Córdoba - the Alcázar
The Alcázar in Córdoba is not large but has some very nice gardens. These are illuminated at night an elaborate fountains perform to music.
The main courtyard.
There are some interesting Roman mosaics inside.
On the roof.
These include yet another statue of Columbus talking to Ferdinand and Isabella about funding for his expedition. A lot of towns have these, apparently he pursued them around Spain until they finally said yes in Granada.
The gardens at night.
Outside the Alcázar at night.