Extras

Video thumbnail: Kingdoms of the Sky Meet the Bird that Nests Inside Glaciers

Kingdoms of the Sky

Meet the Bird that Nests Inside Glaciers

A family of white-winged diuca finches prepare to leave their nest before it melts.

Meet the Bird that Nests Inside Glaciers

Video thumbnail: Kingdoms of the Sky Salt Flat Landscape Creates the World's Largest Mirror

Kingdoms of the Sky

Salt Flat Landscape Creates the World's Largest Mirror

The Salar de Uyuni, the world's biggest salt flat, makes a miraculous transformation.

Salt Flat Landscape Creates the World's Largest Mirror

Video thumbnail: Kingdoms of the Sky Episode 3 Preview | Andes

Kingdoms of the Sky

Episode 3 Preview | Andes

See the wildlife and people of the Andes –the world’s longest mountain range.

Episode 3 Preview | Andes