Sayyidah Khawlah bint Hakim (may Allah be pleased with her) said: The Messenger of Allah (peace and blessings be upon him) said: "Whoever stops at a place and says: 'A'udhu bi-kalimatillahit-tammati kulliha min sharri ma khalaq' (I seek refuge in all the perfect words of Allah from the evil of what He has created), nothing will harm him in that place until he sets out from there."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20978