Last of the Great Unknown

8.0201222m

Documentary

The story of Grand Canyon's hidden slot canyons, the canyoneers who systematically explored their drainages, and the secrets hidden deep within their walls.

Directed by Dan Ransom

CAST

The people behind the story

—

Bill FormanekSelf

Todd MartinSelf

—

Dave NallySelf

—

Rich RudowSelf

—

Guy SmithSelf

Last of the Great Unknown

More like this

Most Hated: How Kevin Durant Became the NBA’s Villain

Desert Fire: the World Cup Rebels of Kurdistan

Blue Ice: The Story of Michigan Hockey

High Five

Fast Food

Aston Martin: Sophistication on Wheels

Keep Your Eyes Open

White Knuckle Action Sports: H20 2003 Winter Classic- Pro-AM and Snowboard Competition

Nice Try Snowboard - Nice-Try

Crossing The Line

Reach Your Limits

Simply Metric

High Diving Scene

Michael Van Gerwen - The Best Darts Player in The World

Take the Ball, Pass the Ball

The Invisible String

The Odd Couple: A Story of Two Triathletes

Karalahti

Stams

Samen Winnen