The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.

A wild stallion provides unexpected help to a widow and her young son in their efforts to keep their ranch.

The manager (Stephen McNally) of a rocket-fuel plant deals with a worker (Vic Morrow) threatening to blow himself up.

An outlaw must decide whether to stick his neck out for an innocent man.

In order to avoid the hangman’s noose, a cowboy agrees to marry a beautiful but fiery redhead.