The Ruling on Visiting Shrines

Question:
Is it permissible to visit shrines for the purpose of sightseeing or taking a lesson, or to thank Allah for being saved from the shirk (associating partners with Allah) of those polytheists, or to verify what people report about the conditions of the shrines?

Answer:
Yes, if there is a benefit in visiting them, such as that you denounce the evil, call people to Allah, warn them, and make it clear to them that this is what is permissible, then it is obligatory for you to do this. It is obligatory for you to call people to Allah and warn them against shirk. However, if you go and say nothing and remain silent, we do not think you should go to them, lest you be led astray and be afflicted like them. If you go and call them to Allah, denounce this matter, and make it clear to them that this is shirk and not permissible, then you must go. But if you do not call to Allah and do not speak, what we see for you is that you should not go to them, lest you be afflicted with what afflicted them.