Go in the entrance and head to the left with the great west doors behind you - it's the only place to get an impression of the immense size. The tomb of Columbus may contain his bones, no one is sure.
Stop for fried baby squid (puntillitas) and an ice cold beer, or fino sherry, at El Faro de Triana tapas bar by the Isabella bridge, with views up and down the river and over to the cathedral.
