The newest documentary series from Fox Nation features actor Kevin Costner on a journey into some of the nation’s most beautiful national parks, as well as one former U.S. president’s mission to preserve the country’s frontier.

The actor hosts a three-part documentary on FOX Nation about Yosemite National Park and a legendary camping trip there in 1903, when naturalist John Muir lobbied the president to better protect the nation’s natural wonders.

A documentary series premiering on Fox Nation this Saturday explores connections between two of the first national parks, and it follows up

Image via Shutterstock Kevin Costner is exploring the history of Yellowstone and Yosemite in his upcoming documentary Yellowstone to Yosemite. In the documentary, he'll explore how John Muir and Teddy Roosevelt played pivotal roles in the early formation of the park.