(95) باب لاَ تُشَدُّ الرِّحَالُ إِلاَّ إِلَى ثَلاَثَةِ مَسَاجِدَ
This hadith has been narrated on the authority of Zuhri (but with this change of words) that he (Allah's Apostle) said:
" Undertake journey to three mosques."
Reference: Sahih Muslim 1397 b
In-book reference: Book 15, Hadith 589
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3219