Getty Images Pope Benedict XVI celebrated an ordination Mass for 29 priests in St. Peter's Basilica (above), built over the the tomb of the apostle Peter. The domed shrine dates from the 1500s. Below left, a member of the pope's Swiss Guard stood in the rain during the ailing Pope John Paul II's Easter address in 2005.

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VATICAN CITY – These 108 acres are home to a soaring marbled basilica, the bones of the apostle Peter, Greek statues and Egyptian mummies and what undeniably is the world's greatest mural. For the world's billion Catholics, The Holy See is also home to the leader of their faith.

BUDVA, Montenegro – “Experience the Wild Beauty” is Montenegro's newest tourist slogan. But while the beauty of the “Pearl of the Adriatic” is undeniable, the wilderness is disappearing. The tiny Balkan state – nestled in the southeast corner of Europe – is a breathtaking mix of colors: blazing blue skies, lush green mountains, white pebble beaches and turquoise Adriatic Sea waters.