Seven celebrities of differing faiths and beliefs experience an emotional journey on a pilgrimage in north Wales, a route linked by churches dedicated to early Celtic Christian saints.

The pilgrims head into Eryri National Park as the pilgrim path leads the group to one of Wales’ most famous natural wonders, Aber Falls.

The pilgrims' final destination is Bardsey Island, the fabled ‘Island of 20,000 Saints’. Along the way, they see spectacular landscapes, visit holy sites and engage in fasting, ritual and meditation.

Seven celebrities of differing faiths and beliefs take on a pilgrimage through the Austrian and Swiss Alps to Einsiedeln Abbey, a pilgrim destination for over a thousand years.

It's day five, and the pilgrims prepare for the challenging Alpine paths ahead of them. As they go along the path, they discover part of their route is covered by a deep snow drift.

The celebrities finish their journey at Einsiedeln Abbey, a pilgrim destination for over 1,000 years.