Countdown to Spain: Barcelona to Seville by Train

“You can make this epic journey in a cool five hours if you travel on the superfast AVE service from Barcelona. Trains depart from Barcelona Sants and arrive in Seville’s Santa Justa with a few brief stops along the way.”

Here’s the details on how to get to the proper Barcelona train station. (It’s not entirely intuitive.) Also, recommended stops along the way.