St. Patrick's Day Parade

Huge crowds were on hand in South Boston for the 2013 St. Patrick's Day Parade.

St. Patrick's Day Parade

Some onlookers were rowdier than others.

St. Patrick's Day Parade

The Boston Police were out in full force, both as a part of the parade and for security.

St. Patrick's Day Parade

Some officers marched, some rode motorcycles, and others took the route the old-fashioned way - on horseback.

St. Patrick's Day Parade

True to the holiday spirit, you couldn't look anywhere without seeing green.

St. Patrick's Day Parade

Literally, anywhere.

St. Patrick's Day Parade

Some "non-human" Bostonians got involved in the festivities.

St. Patrick's Day Parade

Some other non-human Bostonians were too tired to get involved.

St. Patrick's Day Parade

The BPD's Gaelic Council marched with bagpipes and drums.

St. Patrick's Day Parade

The Irish music on hand truly set the spirit.

St. Patrick's Day Parade

The Boston Fire Museum was on hand to show off a bit of Boston history.

St. Patrick's Day Parade

It's impressive that they're able to keep these trucks running, like this one from 1926.

St. Patrick's Day Parade

And in case you didn't see enough green this weekend, here's some more.