Sure, you can use any file manager you like.
^and that list is far from complete.
You can even use KDE's Konqueror if you like that...
PS: If you mean the the URL field in nautilus(the defualt in Fedora and GNOME), just press Ctrl-L
and it will show up(Linus' famous anti GNOME flame gave many people the wrong idea that it isn't their anymore).