In 1980, President Jimmy Carter signed the Alaska National Interest Lands Conservation Act (ANILCA) doubling the holdings of the NPS. Interviews with Carter as well as proponents and opponents of the legislation are interspersed with dramatic footage from the parks created by this act.

Ranger Jenny describes the properties of the Hardwood Hammock. She explains how the hammock is a raised area, naturally protected by a thick canopy and walls of native vegetation. They encounter a great deal of unique flora and fauna.

Ranger Nic talks about the Pine Rocklands. He describes its status as an endangered habitat, and details many of its interesting features. They come across the nests of several species of birds, and discuss the benefits of fire to the rocklands.

Ranger Christeal discusses the properties of the Sawgrass Prairie. She describes the ebb and flow of the river of grass, and describes much of the native flora and fauna. She also talks about the properties of Periphyton and the local food chain.

Ranger Yvette introduces the everglades visitor to the Cypress Dome habitat. She explains why the habitat is called a "dome", speaks about the nature of cypress trees, and identifies several types of fauna and flora. She also talks about watermarks and levels

Ranger Greg gives our everglades visitor a tour of the Slough habitat. He begins by describing it as the "beating heart" of the Everglades, then goes on to list the abundant fauna of the habitat after discussing the water cycle.

Ranger Ally gives our Everglades visitor a tour of the Mangrove habitat. She describes how the mangrove habitat is intertidal, and talks about the beneficial effects of tides on the mangroves. They discuss the mangrove life cycle, and local flora/fauna.

Ranger Daniel teaches our Everglades visitor about the Florida Bay. They hop on a boat together to explore the muddy bay, and discuss various flora and fauna, as well as tidal and salinity cycles.

Our everglades visitor moves through the park on her own and considers some of the unifying themes of The Everglades National Park. She is eventually revealed to be the newest park ranger, Ranger Laura.

Timucuan Preserve: The rich history of the Timucuan Preserve is discussed. Native Americans, Spanish, French, and African Americans all have contributed to the region’s cultural heritage. Wildlife present and types of activities available at the park are also mentioned.

Yosemite National Park: Horsetail Fall is a small, ephemeral waterfall that flows over the eastern edge of El Capitan in Yosemite Valley. For two weeks in February, the setting sun striking the waterfall creates a deep orange glow that resembles Yosemite's historic, "Firefall."

Yosemite National Park: Yosemite Falls is the tallest waterfall in North America, and is a powerful presence in Yosemite Valley. From winter ice to spring flood to autumn dryness, this magnificent waterfall is a dynamic force of nature.

Grand Canyon NP: Join park ranger Patrick Gamman for an insider’s look at Lee’s Ferry.

Grand Canyon NP: Who or what are the “Four Sisters?” Join park rangers Emily Davis and Patrick Gamman to find out.

Glacier National Park: At Two Dog Flats, visitors have the opportunity to see prairies run into mountains and the rich biological diversity associated with these different landscapes. Listen in to hear about the wildlife that can be seen and other information about the area.

Glacier National Park: The golden staircase along St. Mary Lake is discussed. The last half of the video covers the benefits of the Red Eagle Fire of 2006.

Glacier National Park: Hear all the Sunrift Gorge has to offer by listening to this audio file. Among the sights are water ouzels, huckleberry patches, and the Bearing Creek Bridge.

Glacier National Park: Listen as the past and present states of Sun Point are discussed. At Sun Point, one can see lakes, mountains, forests, and meadows.

Glacier National Park: The Weeping Wall along Going-to-the-Sun Road is discussed. The waterfalls have been known to douse passengers with their windows open as they drive past the Weeping Wall.

Glacier National Park: This is an audio file discussing Siyeh Bend along Going-to-the-Sun Road.

Glacier National Park: What is there to see at Big Bend along Going-to-the-Sun Road? Is there any risk of avalanches at Big Bend? Listen in to find out.

Glacier National Park: Oberlin Bend is an optimal location to observe frolicking goats and to get a great view of Going-to-the-Sun Road. Listen in for more details.

Glacier National Park: Information on Logan Pass, including sights to see (wildlife, plants, and peaks), what the visitor center has to offer, and hiking suggestions are covered.

Glacier National Park: Bird Woman Falls, the 492-foot drop across the valley between Mount Oberlin and Mount Cannon, is discussed.

Glacier National Park: The narrator gives a descriptive overview of what there is to see at Avalanche Creek. The Trail of the Cedars and Avalanche Lake Trail are covered. The audio file ends with parking and safety tips.