Bocas del Toro was to be our first destination in Panama, our seventh and final country in Central America. After an uneventful bus journey to the border, we were greeted by a rather odd border crossing procedure. We were told by a man hanging around the migration office on the Costa Rica side that we needed to pay to leave and we needed to do this in a shop down the road. We didn't believe him as there was no mention of this in trusty Lonely Planet, and it...