Introducing “Field Trip”

Journey through the messy past and uncertain future of America’s national parks. The Washington Post’s Lillian Cunningham ventures off the marked trail to better understand the most urgent stories playing out in five iconic landscapes today.

“Field Trip” is a new podcast series that will transport you to five national parks: Yosemite, Everglades, Glacier, White Sands and Gates of the Arctic.

More on the national parks:

• Journey into awe-inspiring landscapes

• A comprehensive guide to the America’s national parks

• Expert tips for visiting a national park