When you are traveling around the world you most likely want to see some historical and grand monuments, perhaps even some art and  a sense of serenity. These 6 grand structures have all of that and more. They are the largest and possibly some of holiest places in the world for Christians. Each of these 6 churches and cathedrals is full of wonder and beauty, and are truly marvelous places to visit regardless of your religion.

St. Peter's Basilica

Basilica of the National Shrine of Our Lady of Aparecida

Our Lady Aparecida is a prominent Roman Rite Catholic basilica located in Aparecida, Brazil, built upon the ruins of an old wooden chapel from 1745. In 1955, Architect Benedito Calixto began the construction on the new basilica in the form of a Greek Cross, with arms 188 meter (617 ft) in length and 183 meter (600 ft) in width. The dome itself is 70 meter (230 ft) high and the tower reaches a height of 102 meter (335 ft). It has the capacity to hold up to 70,000 people and it has been twice awarded with the Golden Rose, a gold ornament given popes of the Catholic Church as a token of reverence or affection.