Former Taoiseach Leo Varadkar and singer Lyra team up as Special Forces veteran Ray Goggins pushes them to their limits through the wild mountains of Drakensberg, South Africa.

Rap trio Kneecap join Ray in the far north for a five-day Arctic experience that will test their resilience in a deadly landscape where temperatures can drop below minus 40

Paralympian Ellen Keane and camogie star Ashling Thompson travel to Bolivia to the start of 'Death Road' to meet Ray Goggins and embark on a gruelling a seven-day challenge

Champion Galway hurler Joe Canning and track and field star Thomas Barr meet Ray deep in the jungle of Colombia, where he greets them with deadly snakes and spiders