Answer:
In Paris but not in France, the thinnest of its siblings.
A morbidly-named body of water
My first keeps time, my second spends time, my whole tells time.
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.