Are there any credible historical evidences behind red/reed sea crossing? Besides, of course, the Torah.
כִּי מָחֹה אֶמְחֶה אֶת זֵכֶר עֲמָלֵק What does אֶמְחֶה stand for? Hint: See Yalkut Reuvani or the Gra or the Chidah for amazing Remez
http://en.wikipedia.org/wiki/Pillar_of_Fire_%28theophany%29 Exodus 13:21-22. By day the Lord went ahead of them in a pillar of cloud to guide them on their way and by night in a pillar of fire ...