When we travel, we encounter moments that push us to the edge of our comfort zone. Sometimes this disorientation is thrilling, while other times it can flirt with the frightening. I am not claustrophobic or afraid of heights. I’m not bothered by germs or clowns or wasps. But my one true fear is sharks. I am not a person who gets excited about shark week on the Discovery Channel. I’ve never even seen Jaws.