Animal stories that resonate with humans.

Animal Planet

Incredible geological formations, including columns that appear to defy gravity, are explored in Iceland. Then, millions of luminescent worms light up caves in New Zealand, and the Wave Rock in Australia gets its name from a very obvious feature.

Impossible Planet

Nature Defying Gravity

The secrets behind the famous northern and southern lights are revealed; a series of sink holes in Mexico offer a window to a spectacular underwater cave system; eternal flames flicker in a New Zealand forest, but never burn it down.

The Secret Behind the Lights

Nambung National Park in Australia is home to some curious formations and a fascinating desert, just minutes from the ocean.

Natures History Unraveled

Thousands of giant spider crabs undertake an epic migration in Australia. Then, mammoth ice caves are explored in Iceland, and the story behind unusual rock formations that created natural castles in Turkey is revealed.

Extraordinary Castles and Creatures

Russia's Lake Baikal, famous for being the largest, oldest and deepest freshwater lake on Earth, is explored; the cause behind the frothy waves of Cappuccino Coasts is explained; the oldest-known caves in the world are uncovered.

Secrets of the Coasts

Getting a closer look at geysers at a U.S. national park and a geothermal field in Iceland; a stack of pancake-shaped rock formations is bewildering people in New Zealand, and about 50 million crabs are journeying across Christmas Island, Australia.

Mystical Nature

A professor shares fascinating new discoveries surrounding an ancient monument, the Giant's Causeway, in Northern Ireland; a busy, modern metropolis collides with ancient archaeological evidence at Los Angeles' La Brea Tar Pits.

Colliding Worlds

The cause behind the shimmering blue waves off the coast of Australia is uncovered; Australia's Karijini gorges are some of the oldest in existence; a volcanic region of Iceland has bubbling potholes that create an otherworldly atmosphere.

Worldly Hidden Gems

Geologists explain the phenomena behind beautifully rounded boulders in New Zealand; Chinese mountains covered in turquoise, lavender, magenta and gold are explored; caves in Australia feature intricate limestone crystal formations.

Shades of Beauty: Revealed

A man reveals the incredible science he used to answer how Australia's Lake Hillier gets its bubblegum-pink color; the black sand at Iceland's Diamond Beach is dotted with glacial ice; China's Shilin Stone Forest captivates and mystifies.

Mystifying Lands

The planet generates an incredible amount of extraordinary phenomenon; a lot of these wonders can be explained but others baffle even the most experienced scientists.

S1 E7 | Extraordinary Castles and Creatures