I was playing with the View menu - top, bottom, left, etc views. Is there a way to go back to the default angled view? For...

I was playing with the View menu - top, bottom, left, etc views. Is there a way to go back to the default angled view? For instance, if I Ctrl-N to create a new file and then show the top view. How do I get back to the previous, angled view? Is there an easy way?