Narrated 'Ali: on the day of Al-Khandaq (the battle of the Trench). the Prophet said
Vol: 006 Book: 060 Hadith: 057
A Selected Hadith
Narrated Ibn 'Umar:
The Prophet said, "A woman should not travel for more than three days except with a Dhi-Mahram (i.e. a male with whom she cannot marry at all, e.g. her brother, father, grandfather, etc.) or her...
I have prostrated my face to the One Who created it, and gave it hearing and sight by His might and His power. Glory is to Allah, the Best of creators.
Info: At-Tirmidhi 2/474, Ahmad 6/30, and Al-Hakim.