You can take a bus to Cordoba from Sevilla at the San Sebastian station. A single ticket costs 9.69 euros and a return ticket costs 15 euros and the trip lasts just under 2 hours.
If you go on a Sunday the main tourist attractions are open.
The bus company is called Alsina Graells.
The bus station it arrives at in Cordoba is called Plaza de las Tres Culturas.
The hours are as follows:
Sevilla - Cordoba
7.45, 9.00 (Monday-Friday only), 11.00, 13.30, 14.45, 17.15, 18.00, 19.00 (Sundays only), 21.00 (Sundays only), 21.45 (Sundays only)
Cordoba - Sevilla
7.45, 10.00, 11.00, 12.30, 15.00, 17.15, 18.00 (Monday-Friday only), 19.00 (Sundays only), 19.10 (Sundays only), 19.45
As we traveled along the highway to Cordoba, I found myself looking out to these houses along the foothill.
It's quite amazing how architecture has evolved over the last few centuries!