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A look at the Port Building, a stunning, gravity-defying office complex building that appears to hover over a 19th-century fire station, and uses a borehole energy system that makes it one of the most energy efficient buildings in Europe.

Griff Rhys Jones begins his exploration of Ontario at Niagara Falls, right on the U.S border, to uncover what it is that makes Canadians so nice.

While in Costa Rica, Patrick investigates the declining population of insects and heads deep into the rainforest to find out just how far and wide this dramatic change is being felt.

Robson is joined by sporting legend Steve Cram on his Northumberland trip to Bamburgh.

Robson heads to the Scottish Borders for an outdoor weekend with his uncle Matheson.

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

Hannah Fry reveals the miraculous technologies that define the modern world.

In this second programme, Simon focuses on some of the dodgiest and most dangerous situations he has found himself in while travelling the globe.

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

Robson is joined by sporting legend Steve Cram on his Northumberland trip to Bamburgh.

Robson heads to the Scottish Borders for an outdoor weekend with his uncle Matheson.

Hannah Fry reveals the miraculous technologies that define the modern world.

In this second programme, Simon focuses on some of the dodgiest and most dangerous situations he has found himself in while travelling the globe.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Acclaimed movie star Kate Winslet takes a role like never before, as Bear paramotors them both to the top of the Snowdonia Mountains in Wales.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

Professor Brian Cox explores planets and moons covered in volcanoes. He encounters alien landscapes bursting with fire and ice - eruptions so violent they reach into space.

Robson is joined by sporting legend Steve Cram on his Northumberland trip to Bamburgh.

Robson heads to the Scottish Borders for an outdoor weekend with his uncle Matheson.

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

An introductory look at the Poles, and how these two extreme environments are important to all life on Earth.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Robson is joined by sporting legend Steve Cram on his Northumberland trip to Bamburgh.

Robson heads to the Scottish Borders for an outdoor weekend with his uncle Matheson.

Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

Acclaimed movie star Kate Winslet takes a role like never before, as Bear paramotors them both to the top of the Snowdonia Mountains in Wales.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

During the 1950s a young Sir David Attenborough and a team from London Zoo worked to conserve rare and exotic animals by bringing them to the UK. Part 1/2.

Actress Michelle Rodriguez and Bear Grylls head to the Nevada. Unexpected high winds during a sky-diving trip send Michelle off course; finally the duo must come up with clever ways to stay hydrated.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

Hannah Fry reveals the miraculous technologies that define the modern world.

Actress Michelle Rodriguez and Bear Grylls head to the Nevada. Unexpected high winds during a sky-diving trip send Michelle off course; finally the duo must come up with clever ways to stay hydrated.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

Hannah Fry reveals the miraculous technologies that define the modern world.

Actress Michelle Rodriguez and Bear Grylls head to the Nevada. Unexpected high winds during a sky-diving trip send Michelle off course; finally the duo must come up with clever ways to stay hydrated.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

Hannah Fry reveals the miraculous technologies that define the modern world.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

Actress Michelle Rodriguez and Bear Grylls head to the Nevada. Unexpected high winds during a sky-diving trip send Michelle off course; finally the duo must come up with clever ways to stay hydrated.

Hannah Fry reveals the miraculous technologies that define the modern world.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

In Spring, the Polar animals must mate and fall pregnant quickly to ensure the survival of their young before the end of the very short summer.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

Hannah Fry reveals the miraculous technologies that define the modern world.

Joanna's journey begins in the sub-zero temperatures of Hokkaido - Japan's wild north. Known for its rugged terrain, it is home to some of Japan's most endangered wild animals.

Actress Michelle Rodriguez and Bear Grylls head to the Nevada. Unexpected high winds during a sky-diving trip send Michelle off course; finally the duo must come up with clever ways to stay hydrated.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.

X-man' James Marsden joins Bear on an adventure into the heart Rattle Snake Canyon in Utah, where they helicopter on to one of the highest arches in the area.

Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

X-man' James Marsden joins Bear on an adventure into the heart Rattle Snake Canyon in Utah, where they helicopter on to one of the highest arches in the area.

Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

X-man' James Marsden joins Bear on an adventure into the heart Rattle Snake Canyon in Utah, where they helicopter on to one of the highest arches in the area.

Even the mightiest oak must start life as a tiny acorn. We explore the secret lives of young trees, discovering how they magically transform from minute seeds into mature adults. But with fewer than one in a thousand seeds reaching adulthood, a tree's early years are the most treacherous of its life.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes, home to feisty puffins, orcas, eagles, otters and intrepid base jumpers.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

X-man' James Marsden joins Bear on an adventure into the heart Rattle Snake Canyon in Utah, where they helicopter on to one of the highest arches in the area.

In this second programme, Simon focuses on some of the dodgiest and most dangerous situations he has found himself in while travelling the globe.

Nick learns about Civil Rights activist Medgar Evers, and paddles on the river at sunset.

British comedian and travel enthusiast Griff Rhys Jones explores the Frozen Wilds of Manitoba, North Canada, and visits a town that sometimes has more polar bears than people.