People visit particular places when they go on pilgrimage because of the history of the places. For example, one feels they can gain a spiritual experience at a place if others claim they have had that same experience.
Mecca and Medina
Sikhs don't go to pilgrimage, Sikhism as a religion is oppose to pilgrimage. Though Sikhs do like to visit some particular places of their worship (Gurudwara) but that is because it holds historical and cultural significance. As for worship of God, anytime and anyplace is good for it.
The only role religion has is that people tend to visit religious places for Pilgrimage and this itself creates a multi million industry for tourism.
The believers were going to make a pilgrimage to their holy land.
Hindus visit 51 Sakthi peetams, 12 Jyotir Linga, 108 Divya desams on pilgrimage.
pennnis
People visit Lourdes for its religious significance as the site of a Marian apparition and a center for healing and pilgrimage. It is a place where people seek spiritual renewal, hope, and believe in the possibility of miracles.
Going to Lourdes is a pilgrimage, a visit to a holy place. So while on a pilgrimage to Lourdes or any holy place, you would be doing things like say prayers and going to religious services. In Lourdes you would also visit places associated with St. Bernadette.
There is no ritual pilgrimage in Judaism today, however it has become a customary pilgrimage to visit Israel at least once in a lifetime.
Never. Even when they visit AlAqsa Mosque it is not in Israel. It is in the occupied Palestinian territory and not in Israel.. Muslims pilgrimage or hajj is only to Makkah (or Mecca) is Saudi Arabia and other places in Saudi Arabia.
If you take a journey to do preach the Gospel, then you are a missionary. If you go on a religious journey just to visit places and have experiences, then you are a pilgrim going on a pilgrimage.
Tourism is when people visit other places.