Many don't know it, but New York is a city that runs on steam. 27 billion pounds of it per year, in fact. It's one of the few cities that relies on the old, but reliable, technology to heat some of its most famous buildings.
Following the success of his world exclusive two-part series, this feature-length special edition is a chance to show Michael's extraordinary journey in its entirety, and includes new footage which hasn't been seen before.
As Ray travels across land and by canoe, he tells the story of one of the greatest companies the world has ever known - the Hudson's Bay Company that opened up Canada. Ray discovers how those early traders were pioneers who laid the foundations of the modern Canadian state. He also demonstrates local crafts and bushcraft skills that bring the landscape to life.
Giles and Monica arrive at Royal Mansour, one of the world's most discreet hotels, hidden deep in the heart of Marrakech's ancient Medina. In stark contrast to the developing country it inhabits, the 'jewel of the city' was built with a limitless budget by royal decree to showcase the kingdom to world leaders and to billionaire and celebrity guests.
The Python star continues his first visit to Brazil by travelling by river from the northern border with Venezuela to the capital of Brasilia. Along the way he visits indigenous tribe the Yanomami, learning about the threat to their hunter-gatherer way of life, before watching a rehearsal by the Amazon Philharmonic Orchestra and searching for the remains of Henry Ford's unsuccessful attempt to build a vast rubber plantation in the middle of the rainforest. In Belem, music producer Priscilla explains why Amazonian women are such powerful forces, then he moves southwards, meeting rock star and political activist Dinho Ouro Preto, who believes that despite its social and environmental problems, the country is on the brink of becoming a superpower.
Simon travels from Texas to southern Mexico, meeting a woman who risks her life to take supplies to migrants stranded on the Mexican side of the border in Reynosa, one of the country's most violent cities, which is dominated by a powerful criminal organisation. He also ventures into the rainforest to explore the Maya city of Yaxchilan, and meets the modern-day descendants of this civilisation, who are increasingly marginalised and treated as second-class citizens.