The Chicago River was dyed green for St. Patrick's Day Saturday in a fan favorite event. This video shows how it all happened - in under 30 seconds.

In Tampa, the Hillsborough River transformed into a ribbon of emerald magic on Saturday, weaving Irish charm through downtown as thousands gather for the annual River O' Green celebration. The ...

Chicago’s river-dyeing tradition began in 1962, though the exact genesis of the idea is a bit murky. Most versions lead back to the sponsor of the St. Patrick’s Day parade — the Plumbers Union.

Get ready for Tampa’s River O’ Green Festival on March 15! Enjoy live music, Irish dance, games, food, and a stunning emerald-green Hillsborough River at Curtis Hixon Park. Fun for all ages ...

Emerald Bay in Lake Tahoe sees partial freezes every winter, but for the bay to completely freeze over is unusual. The ice is currently believed to be about 6 inches deep.