Go green or go home: Celebrating St. Patrick's Day

The South Lawn fountain at the White House in Washington, DC is dyed green in celebration of St. Patrick's Day on March 17, 2015.
The South Lawn fountain at the White House in Washington, DC is dyed green in celebration of St. Patrick's Day on March 17, 2015.

Landmarks across the globe have been lit green for St. Patrick's Day, which culminated in a series of parades and festivals in honor of Ireland's patron saint. See how people from Dublin to New York City and beyond took to the streets in celebration.