Horses tend to be known for their land-based achievements, but that doesn’t mean equines aren’t sometimes aquatic. In fact, for more than a century, beginning in the 1810s, horse-powered ferries were a common form of transportation in the U.S. Also known as team boats, they were most often used in lakes and rivers — even a team of Clydesdales can’t cross the Atlantic — and worked by having a small group of horses (usually between three and five) walk in a circle on the deck while at...
