Doctors can't explain how extreme kayaker Ryan Lucas survived being trapped underwater for more than three minutes at a remote waterfall in the Kaimanawa Forest Park. Lucas can - his expedition partner, Mike Roy.

Explore The River People, an exclusive Herald video presentation.

In March 2015, Louise Hull, one of the country’s most renowned whitewater kayakers, went under in the rapids of the Kaituna River and never came up. This is the story of her death but it is also a story of renewal, as those closest to her keep her memory alive by celebrating her sense of adventure.

The person has been taken to hospital after crashing on Crown Range, near Queenstown.

Kitesurfing alongside the former president of the United States was New Zealand's only Nanogirl.

The two skydiving instructors seriously injured during a tandem training jump are stable and recovering at Dunedin Hospital.

Source: Daily Mail

Source: Facebook / Tom Oye

A surfer details wiping out on a huge wave at Jaws, Hawaii. From the movie Jaws Underground.

Source: YouTube: CoLab Creative. Kiwi freestyle skier Sam Smoothy and filmmaker William Lascelles have gone on a snow trip like no other, exploring the slopes of North Korea.

Surfer Ellis Ericson rides a finless board in the 70's-inspired film Moonrockers.

Mario Palandeng, one of Indonesia's top skateboarders. From the movie Part of Life.

POV vision of skiier Chris Cardello's near-death experience with an avalanche. From the movie Down Days.

Dave Rastovich and friends attempt to surf an unforgiving Spanish wave. From the movie El Mar, Mi Alma.

Christopher Peterson surfs river waves of the American West in the series Of Souls And Water (Episode 4).

Japanese skateboarder Masaki Ui shows off his creative and unique style in the movie Minuit.

LJ Strenio and friends battle Minnesotan hand rails in the ski movie 'Pretty Good'.

Climber Ian Burton struggles to overcome the harsh coniditions on the Namibian desert in the film Driven to Despair.

Video source: YouTube/Alexander Polli Alexander Polli, a skydiver and pioneer in BASE jumping known as a YouTube sensation, has died after a wingsuit crash in the French Alps.

Footage courtesy of Ripcurl.

Source: Red Bull Nico Porteous lands Triple Cork 1440 at just 14 years old

Mountain biking madness from the ‘Megavalanche’ event in Alpe d’ Huez, France. From the movie Made

Victor Daviet explains the difficulty of backcountry snowboarding in the movie Comfort Zone

The Level 1 crew getting creative as usual in their latest film Small World.

Niall McCann crashes during a speed flying descent in the movie Arctic Air.

Madrid is preparing for the Red Bull X-Fighters motocross championships, where fans will see the likes of New Zealand's own Levi Sherwood tearing it up.

An epic crash compilation from the movie Stratospheric

The Ultimate Road/Snow Trip in Russia, as seen in the movie Altai.

Chris Logan showing off his mad ski skills in the movie After Dark.

Epic BASE jumping from a hotel window, as seen in 2nd BASE.