For all those folks who can't be in Ireland for St Patrick's Day on March 17, the world is turning green! Ancient monuments, shiny new landmarks and iconic artworks are all taking part in the #GlobalGreening in honour of Ireland and St Patrick. Here's how the world has gone green in recent years... London Eye Cochem Castle Sky Tower, Auckland Prince's Palace, Monaco Cibeles Fountain, Madrid Empire State Building, New York Las Vegas Niagara Falls Discover more about St Patrick 9 fascinating St Patrick facts Snakes, shamrock, parades... just how much do YOU know about St Patrick and Ireland? St Patrick's TrailFollow in the footsteps of the saint on this 3-day itinerary around Northern Ireland's "St Patrick's Country". Celebrating St PatrickEvery March 17, the whole world turns green to celebrate Ireland’s beloved patron saint: Patrick.