How To Avoid Being an Obnoxious American Tourist Aboard

Do you know why you shouldn't make the "devil's horn" hand gesture in Italy?
Or why you should never wear camouflage clothing in Barbados?
While some actions are obviously a bad idea while traveling abroad, others are less obvious — yet equally important — when it comes to respecting another culture
The United Arab Emirates has repeatedly tried to inform tourists about acceptable behavior, but as evident from recent shenanigans in Malaysia, tourists will be tourists.
While some behavior is merely considered rude, other actions are illegal in certain countries.