The group took the wrong turn at the start of the trek in Scotland and scaled the wrong mountain, though.

BBC: Olympic torch bid for man who climbed wrong mountain

But for weeks, the couple shared photos online from their trek through Argentina, Chile and Peru, showing themselves posing beside their bikes on remote mountain roads, camping out in tents and smiling at the beach.

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The final day begins with a 2km trek north from the village of Arbel to the summit of Mount Arbel, an imposing mountain overlooking Lake Galilee, then heads 5km down to the small closed-off ruins of Migdal (biblical Magdala), thought to be the home of Mary Magdalene.

BBC: Walking with Jesus in the Galilee