Si yo estuviera en España, visitaría muchos castillos.
If I were in Spain, I would visit many castles.
Explanation: It is a sentence that uses the second conditional. For situations that are not true at the present time. If the first condition were true, the second condition would also be true.
Quienes son intolerantes no aceptan las formas de pensar de los demás, las ideas, las costumbres o las tradiciones propias de la idiosincrasia de cada uno.