The pitch-black world of wild limestone and lava tube caves presents a view of Idaho that is seldom experienced. Airs Sunday, Oct. 4, at 7 PM.

A founding figure of the Chicano Movement, Luis Valdez is best known for his play 'Zoot Suit' and the Ritchie Valens biopic 'La Bamba.' Airs Tuesday, Oct. 6, at 8 PM.

Watch the PBS KIDS channel anywhere, anytime, online or with the PBS app.

Montana legend Jonnie Jonckowski's Olympic pentathlon dreams were derailed by injury, leading her to a new challenge: professional bull riding. Airs Tuesday, Oct. 6, at 9:30 PM.

Explore the history of Idaho through its music, from songs in native tongue to folk traditions and jazz. Airs Thursday, Oct. 8, at 8:30 PM.

Read along each month and join the online discussions, watch author interviews, and more. October's book is 'Marble Hall Murders' by Anthony Horowitz.