The Wonder List With Bill Weir

In Patagonia, an American conservationist purchases vast tracts of land, an act that infuriates local developers.

As deforestation rages and unique species vanish, the fight begins to save one of the planet's most special places before it is ruined forever.

As sea levels rise, the sunken city of Heracleion sounds a warning of the growing threat faced by the planet's teeming coastal cities.

Miners want to drill for billions of dollars worth of copper and gold beneath the wilderness of America's last wild frontier; fishermen say the world's last great salmon run could be jeopardised.

Conservationists turn killers in a battle to turn back time by eradicating mammal invaders threatening an islands' unique ecosystem.

The fragile beauty of the Incan ruins of Machu Picchu need protection in the modern world if they are to be preserved.