Movie Documentary

Last of the Great Unknown (2012)

IMDb, TMDB and community ratings for Last of the Great Unknown.

2012 · 22 min · Documentary

Last of the Great Unknown (2012) is a documentary film with a runtime of 22 minutes. It holds a TMDB score of 8.0. Compare its IMDb, TMDB and community ratings below to see how Last of the Great Unknown scores across every source.

IMDb

—

— ratings

TMDB

8.0

1 ratings

Community

—

Be the first to rate

Rate this movie

☆☆☆☆☆☆☆☆☆☆

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.