The five athletes competing for glory against tribal champions try their hands at rafting on the ocean with the Tagbanua tribe in the Philippines. Show more

Adnan Sarwar and Babita Sharma are on the second part of their epic journey taking them through the province of Punjab, along the volatile border that divides India and Pakistan. Show more

The athletes take on the Filipino Pekiti Tirsia Kali stick fighting system, living in a training camp under the tutelage of the Kali Master Rommel. Show more

The five western athletes competing for glory against tribal champions take on the insane sport of water buffalo racing in Sumbawa, Indonesia. Show more

The athletes competing for glory against tribal champions must complete an exhausting, high-altitude, 15km run through the Mexican mountains. Show more

Michael Portillo visits the home of Queen Victoria's favourite bishop, and follows in the footsteps of Victorian health fanatics to the Malvern Hills. Show more

Michael Portillo sees why the Victorians fell for the romantic ruins of Tintern Abbey and discovers Britain's hidden micro-mines within the Forest of Dean. Show more

Michael Portillo discovers the unique cross-border history of Berwick-upon-Tweed and hears the unique story of the Pitman Painters of Ashington. Show more

Michael Portillo follows the example of Victorian archaeologists at Hadrian's Wall and sees how the Victorian railways first fuelled invention in Wigton. Show more

Michael Portillo drinks a Victorian brew drawn from the pure waters of Cockermouth and steps inside the hidden world of nuclear reprocessing at Sellafield. Show more

Michael Portillo finds out the secrets behind Kirkby's famous blue slate and submerges himself into a secret world of nuclear submarines in Barrow. Show more

Michael Portillo sets sail from Heysham to the Isle of Man, where he discovers the horse trams of Douglas and the secrets of the giant Laxey Wheel. Show more

Michael Portillo observes the engineering feat involved in building the railway along Dublin's treacherous East coast and explores a Victorian jail. Show more

Michael Portillo explores the railway network within the Bog of Allen, discovering the secrets behind the Boyne Viaduct and exploring the Irish Zinc mines. Show more

Michael Portillo visits the amazing Cromlech stones of Dundalk and travels in style along the steam railway of Downpatrick. Show more

Michael Portillo takes a white knuckle walk over the Carrick-a-Rede rope bridge and experiences the delights of the Giant's Causeway. Show more

Michael Portillo discovers the grave robbing history of Great Yarmouth, and tries his hand at working a Victorian swing bridge in Reedham. Show more

Michael Portillo follows the Victorians' fascination with Britain's own Atlantis to Dunwich and discovers the history of the Port of Felixstowe. Show more

Michael Portillo comes face to face with a medieval politician, takes a rail tour of Victorian freak show hot spots and rides an early electric railway. Show more