" لَعَنَ اللَّهُ الْيَهُودَ وَالنَّصَارَى اتَّخَذُوا قُبُورَ أَنْبِيَائِهِمْ مَسَاجِدَ "
It was narrated from Abu Hurairah that the Messenger of Allah said: "May Allah curse the Jews and Christians who took the graves of their prophets as Masjids." (Sahih) Chpater 107. It Is Disliked to Walk Between Grave Wearing Sibtiyah Sandals