What concrete evidence is there that Mosses crossed the red sea, and where did he cross it?
Researcher Ron Wyatt and other divers did find the underwater land bridge near Nuweiba beach where it is thought the Israelites crossed the Red sea. A slew of artifacts like the remains of chariot wheels and human and horse bones supported the fact. See www.philstar.com/Article.aspx?articleId=426986&publicationSubCategoryId=64 for more details.
Try the bible that just might help.