The most famous pilgrimage in Europe is the Camino de Santiago in Spain. Every year, hundreds of thousands of people worldwide walk this network of ancient pilgrim routes leading to the cathedral of Santiago de Compostela. The Camino de Santiago, also known as the Way of Saint James, is the most famous pilgrimage trail. Its network of routes spans across Europe, all leading to the cathedral in Santiago de Compostela, Spain, where the remains of the apostle Saint James are believed to be buried.