U&Eden +1 Saturday

Tim Dunn visits the architecture of the Stockton and Darlington railway, the first passenger steam line in the world and learns how Essex's enormous Chappel Viaduct was built

Tim Dunn visits the Royal Albert Bridge and finds out how it was constructed. He also visits Wolverhampton to learn about the history of its train stations, old and new

A chance to buy goods from the comfort of home

Fly above the far-western reaches of the Zambezi, experience the largest mammal migration on earth, and explore Victoria Falls, the largest waterfall on the planet

Explore palm-fringed sands, parks and seafaring traditions, and discover the melting pot of African, Arabic and Portuguese traditions in one of Africa's most enigmatic countries

Fly over the spectacular landscapes of this sovereign nation renowned for its diversity, from the breathtaking coastal regions on the Atlantic to the shores of Lake Ossa

Explore the landscapes of Botswana, from the salt pans of the Makgadikgadi, over the maze of marshlands and floodplains of the Okavango Delta, to the Kalahari desert

A fresh perspective, taking viewers on an aerial adventure. From dramatic coasts that teem with wildlife to bustling cities, explore the people, places and wildlife of South Africa

An in-depth look the Kenyan Highlands, the country's vast savannahs, and the turquoise waters of the Indian Ocean

Fly above the far-western reaches of the Zambezi, experience the largest mammal migration on earth, and explore Victoria Falls, the largest waterfall on the planet

Explore palm-fringed sands, parks and seafaring traditions, and discover the melting pot of African, Arabic and Portuguese traditions in one of Africa's most enigmatic countries

Fly over the spectacular landscapes of this sovereign nation renowned for its diversity, from the breathtaking coastal regions on the Atlantic to the shores of Lake Ossa

Explore the landscapes of Botswana, from the salt pans of the Makgadikgadi, over the maze of marshlands and floodplains of the Okavango Delta, to the Kalahari desert

Fly above the far-western reaches of the Zambezi, experience the largest mammal migration on earth, and explore Victoria Falls, the largest waterfall on the planet

Explore palm-fringed sands, parks and seafaring traditions, and discover the melting pot of African, Arabic and Portuguese traditions in one of Africa's most enigmatic countries

Fly over the spectacular landscapes of this sovereign nation renowned for its diversity, from the breathtaking coastal regions on the Atlantic to the shores of Lake Ossa

Explore the landscapes of Botswana, from the salt pans of the Makgadikgadi, over the maze of marshlands and floodplains of the Okavango Delta, to the Kalahari desert

Fly above the far-western reaches of the Zambezi, experience the largest mammal migration on earth, and explore Victoria Falls, the largest waterfall on the planet

Explore palm-fringed sands, parks and seafaring traditions, and discover the melting pot of African, Arabic and Portuguese traditions in one of Africa's most enigmatic countries

Fly over the spectacular landscapes of this sovereign nation renowned for its diversity, from the breathtaking coastal regions on the Atlantic to the shores of Lake Ossa

Explore the landscapes of Botswana, from the salt pans of the Makgadikgadi, over the maze of marshlands and floodplains of the Okavango Delta, to the Kalahari desert

Fly above the far-western reaches of the Zambezi, experience the largest mammal migration on earth, and explore Victoria Falls, the largest waterfall on the planet

Explore palm-fringed sands, parks and seafaring traditions, and discover the melting pot of African, Arabic and Portuguese traditions in one of Africa's most enigmatic countries

Fly over the spectacular landscapes of this sovereign nation renowned for its diversity, from the breathtaking coastal regions on the Atlantic to the shores of Lake Ossa

Michael Portillo travels from Bristol to Glastonbury, entering the smelly world of a Victorian tannery and hearing how a 19th-century entrepreneur turned bird droppings into money