 | Iowa's Loess Hills: National Natural Landmark
A unique geographical formation rich with natural vegetation and wildlife, the Loess Hills have been deemed worthy of preserving as a National Landmark.
-related clips
|
Produced by: | Use the transcript below to advance video:
 |
|
| Yellowstone National Park - Animals
On this autumn day, Yellowstone Park's animals, including a black bear, a chipmunk and a group of pronghorns, can be seen preparing for the coming winter.
-related clips
|
Produced by: | Use the transcript below to advance video:
|
|
| Yellowstone National Park - Mammoth Hot Springs
The multicolored terraces of Mammoth Hot Springs bubble with hot water that rises from below the earth's surface, depositing dissolved minerals.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Yellowstone National Park - Field and Pond
Wildlife viewing is at its best in Yellowstone's open fields where herds of buffalo and elk gather, as well as a few smaller animals.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Hawaii Volcanoes National Park - Kilauea
A massive crater emitting steam and gasses and surrounded by lava flows, Mount Kilauea is one of the most active volcanoes in the world.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Hawaii Volcanoes National Park - Rocky Coast
The continuous action of waves on black volcanic rock creates the fine black sand found on the beaches of Hawaii.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Valley of Fires, New Mexico - Volcanic Rock
The movement of geological plates is apparent where basalt flowed through cracks in the Earth's surface, creating what is now Valley of Fires.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Crater Lake National Park - Rim Trail
The Rim Trail around Crater Lake offers many spectacular views, as well as evidence of how the lake was formed through volcanic activity.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Arkansas' Wilderness Areas
Arkansas has over 150,000 acres of wilderness, including areas in the Ozark and Ouachita Mountains.
|
Produced by: | Use the transcript below to advance video:
|
|
| J.N. 'Ding' Darling National Wildlife Refuge
On Florida's Sanibel Island, the J.N. 'Ding' Darling National Wildlife Refuge offers wildlife observers a very 'visitor-friendly' experience.
-related clips
|
Produced by: | Use the transcript below to advance video:
|
|
| Florida's Ocala National Forest
An ancient limestone deposit which acts as a natural water filter for underground springs plays a role in the ecosystem of Ocala National Forest.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Everglades National Park: Shark Valley
Named for grassy expanses that appear to be without end, the unusual landscape of the Florida Everglades continues to attract visitors.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Great Basin National Park
The small communities surrounding Great Basin National Park are learning the benefits and consequences of having a new national park in their backyard.
-related clips
|
Produced by: | Use the transcript below to advance video:
|
|
| Establishing a New National Park in Idaho
Idaho has many areas that qualify for national park status; however, changing the designation of an area will change how that area is managed and used.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| New Pressures on Canyonlands National Park
The popularity of Canyonlands National Park threatens the fragile ecosystem and environment that the park was designed to protect.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Reintroducing Wolves to Yellowstone
Wolves may be the vital missing link in the health of the Yellowstone ecosystem, but plans to reintroduce the species are still controversial.
|
| Produced by: | Use the transcript below to advance video:
|
|
| Wildflowers at Mammoth Cave - Part 1
A naturalist who began studying flowers as a hobby has documented over 300 species of plants and flowers at Kentucky's famous Mammoth Cave.
-related clips
|
Produced by: | Use the transcript below to advance video:
|
|
| Wildflowers at Mammoth Cave - Part 2
A naturalist who began studying flowers as a hobby has documented over 300 species of plants and flowers at Kentucky's famous Mammoth Cave.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Clark's River National Wildlife Refuge, Kentucky
Still in the early stages of acquisition, Clark's River National Wildlife Refuge supports wetland-dependent animals.
|
| Produced by: | Use the transcript below to advance video:
|
|
| The Wildlife of Yellowstone Park
Since its inception, Yellowstone Park has had to devise ways to protect park animals without overly interfering with their habitats.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|
| Yellowstone Park in Winter
Yellowstone National Park is a place of geological complexity and scenic beauty, which is sharply visible in the winter season.
-related clips
|
| Produced by: | Use the transcript below to advance video:
|
|