The rare circular ice slabs spun, collided and collected in large eddies because of the prolonged cold weather.

This week’s rare freezing of the Potomac reminds us of an earlier time when the river froze regularly and creative sailors ...

This has caused the Potomac River to be colder than it is typically at this time of year, with ice on parts of the river.” he explained. “Last year at this time, the water in the Potomac River ...