Movie: Last of the Great Unknown

Top 5 Billed Cast

Bill Formanek
Bill Formanek

Self

Todd Martin
Todd Martin

Self

Dave Nally
Dave Nally

Self

Rich Rudow
Rich Rudow

Self

Guy Smith
Guy Smith

Self

  • HomePage

  • Overview

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

  • Release Date

    2012-04-26

  • Average

    8

  • Rating:

    4.0 starts

  • Tagline

  • Genres

    Documentary

  • Languages:

    English

  • Keywords

    sportsgrand canyon