Stop Shoving Coins Into the Giant’s Causeway
From Parisian bridges to Rome's Trevi Fountain, tourists love leaving behind mementos—but in Northern Ireland, they're eroding a 60-million-year-old landmark.


From Parisian bridges to Rome's Trevi Fountain, tourists love leaving behind mementos—but in Northern Ireland, they're eroding a 60-million-year-old landmark.