Doubtful Sound.jpg (IMAGE) University of South Florida Caption Doubtful Sound, New Zealand, which Xingqian Cui visited in 2016, was apparently so-named because its discoverer, Captain James Cook, decided if he and the crew ventured into the fjord during a voyage in 1770, it would be “doubtful” that they would be able to sail back out of the fjord against the westerly wind. Credit University of South Florida Usage Restrictions NA License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.