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The pope greets people in St. Peter's Square.
Five years ago this month, Pope Francis became the 266th pope of the Roman Catholic Church and the leader of its 1.29 billion adherents.
He's been celebrating the occasion by reminiscing about his various - and at times controversial - accomplishments since his papal election in March 2013.
The pope has lived these past five years within the walls of Vatican City, the seat of the worldwide Catholic administration, the Holy See, which is nestled on the the west bank of the Tiber River in Rome, Italy.
It is a place that evokes reverence, spiritual power, and a history that spans thousands of years.
Here's a look inside the walls of the beautiful microstate that the world's most powerful religious leader calls home: