BBC Earth

Alexander Armstrong dives headfirst into the glorious chaos of Mumbai and then further to India's seat of power, Delhi.

Continuing his Indian Adventure, Alexander Armstrong visits the pink city Jaipur, the Silk City Ramanagara and Bandipur National Park.

Alexander begins in Mumbai, riding the city's new metro before venturing into a forest with the world's highest concentration of leopards. From there, he heads to Bangalore, India's tech capital.

Guided by his Bradshaw's 1913 Handbook of Indian, Foreign and Colonial Travel, Michael Portillo embarks on a classic rail journey from Amritsar to Shimla.

Michael embarks on a stunning rail journey from the Thar Desert in Rajasthan to the Indian capital, taking in desert landscapes and dazzling historic palaces.

Michael makes a journey through the modern south Indian states of Karnataka and Tamil Nadu, from the former princely state of Mysore to the first stronghold of the East India Company in Chennai.

Michael takes on an epic railway journey from Lucknow in Uttar Pradesh to Kolkata in West Bengal.

Guy explores Vietnam's fields and factories to see how the single-party state is also fast becoming an industrial powerhouse and the world's next high-tech workshop.

Ben ventures into forested Norwegian wilderness to stay with two remarkable artists.

On the last leg of his Scandinavian journey, Simon travels through the beautiful pine forests of Sweden to Copenhagen, the historic capital of Denmark.

The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits.

Mel B, Ruby Wax and Emily Atack go on a historic, raucous road trip.

Guy explores Vietnam's fields and factories to see how the single-party state is also fast becoming an industrial powerhouse and the world's next high-tech workshop.

On the last leg of his Scandinavian journey, Simon travels through the beautiful pine forests of Sweden to Copenhagen, the historic capital of Denmark.

Mist swirls around the base of Shanghai's skyline. From the city, tigers and monkeys seem as unreal and distant as dragons and mermaids emerging through the mist. Yet they exist.

A flash flood in Australia leaves a family running scared. In Wisconsin, a woman and her dog risk getting swept under the ice and a tornado forces a man to take cover in Vancouver.

Simon Reeve embarks on a 3,000-mile journey across the deserts, plains and mountains of Mongolia, in search of snow leopards, and the nomadic people who hunt with golden eagles.