Photographer Jonathan Irish embarked on an ambitious quest to visit every U.S. national park in 52 weeks in honor the National Park Service's 100th anniversary in 2016.
"[National parks] are sacred and cherished places-our greatest personal and national treasures," says Irish. "It's a gift to spend a year adventuring and capturing incredible images and stories in some of the most beautiful places on Earth."
This article is copyrighted by Travelers Today, the travel news leader
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