Relics: Relics are objects associated with saints or religious figures that are considered holy due to their association with divinity. Pilgrims often visit sites housing relics as part of their pilgrimage.
Hajj: Hajj is the annual Islamic pilgrimage to Mecca, which is considered one of the Five Pillars of Islam. It is obligatory for all Muslims who can afford it and physically undertake the journey.
Camino de Santiago: The Camino de Santiago, also known as the Way of St. James, is a network of pilgrimage routes leading to the shrine of the apostle St. James in Santiago de Compostela, Spain. It has been an important Christian pilgrimage since medieval times.