CLEAN: Shows H-Unit at Oklahoma State Penitentiary and birds flying over prison.

CLEAN: Sister Helen Prejean walking to H-Unit at Oklahoma State Penitentiary. Sky News follows the story of death row prison inmate Richard Glossip who received a stay of execution in January, 2015. Richard Glossip is scheduled for...

<> on September 30, 2015 in McAlester, Oklahoma.

MS George Kelly Barnes, a/k/a George Kelly, a/k/a "Machine Gun Kelly," and wife Kathryn Kelly at defendants' table during their trial for the kidnapping of oil tycoon Charles F. Urschel; Kelly looks at camera / CU Kelly / CU Federal...

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Two men and a woman were fatally shot Monday outside a Walmart store in Oklahoma, the chief of police said.

Two men and a woman were fatally shot Monday outside a Walmart store in Oklahoma, the chief of police said.

A video captured in Oklahoma.

A video captured in Oklahoma.

Hummingbird Feeder

Footage captured in Oklahoma.

A video shot of a snow cold waterfall in Oklahoma.

A video shot driving down a country road in Oklahoma during the winter days.

Footage captured in Oklahoma.

People are fishing in streaming river.

Footage captured in Oklahoma.

Footage captured in Oklahoma.

Relax with clear sound of flowing water.

Relax with sound of water stream.

A video shot over Lake Hefner in Oklahoma City.

A video shot at Lake Overhaulster in Oklahoma.

A video shot at Lake Hefner in Oklahoma City.

A time lapse video shot of morning clouds in Oklahoma.

A video shot at Lake Hefner in Oklahoma City.