
 | Hiking Spring Mountain, Nevada A great hiking destination, Spring Mountain National Recreation Area is home to the world's oldest living tree, the bristlecone pine.
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 | Climbing Red Rock Canyon, Nevada Beginning climbers get a few pointers before taking their first trip up the rock at Red Rock Canyon in Nevada.
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 | Icefall Photographer A Vermont outdoor photographer captures his love of rock and ice through his art.
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 | Beginning Rock Climbing A rock climbing novice gets a few tips from a seasoned climber as she ascends a basalt column near Vantage, Washington.
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 | Ecology of a Mountain By describing the importance of species interdependency, a biologist demonstrates that a mountain is more than the sum of its elevation.
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 | Climb On A pair of climbers practice their skills and techniques on a challenging rock face.
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 | An Introduction to Rock Climbing in Icicle Canyon Climbing instructor Matt Ward introduces the necessary equipment for, and basic techniques of, rock climbing.
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 | Hiking Mount Rainier A park ranger leads a hiking group to an awe-inspiring view of Mount Rainier - Washington's highest peak.
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 | Dugger Mountain Wilderness - Diverse Species The preservation of Alabama's Dugger Mountain Wilderness is a critical step in protecting the plants and animals that thrive there. -related clips
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 | Clean Climbing As the sport of rock climbing grows in popularity, it becomes even more important to keep climbing areas clean.
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 | Introducing Kids to Rock Climbing Adventure Bound is a Maine company that specializes in introducing kids to outdoor sports, including rock climbing.
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 | Rock Climbing in Acadia National Park A pair of beginners get an introduction to rock climbing on the seaside cliffs of Acadia National Park.
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 | Adirondack Mountains - Glacial Evidence A giant 'glacial erratic' boulder and a debris-dammed lake are evidence that glaciers once flowed across what is now the Adirondacks. -related clips
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 | San Juan Mountains, Colorado - Subalpine Zone Quartz crystals and fool's gold abound at an abandoned mine in the subalpine field of the San Juan Mountains, as do scores of wildflowers. -related clips
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 | San Juan Mountains, Colorado - Aspen Grove The San Juan Mountains in Colorado are part of the Rocky Mountain Range which feature craggy snow-covered peaks and dappled groves of aspen trees. -related clips
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 | San Juan Mountains, Colorado - Alpine Lake and Meadow Blue larkspur, yellow paintbrush, red mountain sorrel and delicate purple columbine flowers pepper the alpine meadow with color seen only in the summer. -related clips
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 | Glacier National Park - Water, Rock and Ice Named after the massive rivers of ice that carved its landscape, Montana's Glacier National Park supports a thriving alpine ecosystem. -related clips
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 | Glacier National Park - Subalpine Meadow Mountain wildlife is visible at Glacier National Park in Montana, including a hoary marmot and a family of mountain goats busily feeding on alpine grasses. -related clips
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 | Siskiyou National Forest - Mountaintop Oregon's Siskiyou National Forest, which sits at the crossroads of two mountain ranges, offers a great diversity of plants. -related clips
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 | Mount Rogers, Virginia - White Top Mountain When covered with snow, White Top Mountain, the second highest mountain in Virginia, gives an impression of the changes the landscape undergoes in winter. -related clips
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 | Big Bend National Park - Chisos Mountains Receiving more rain than the surrounding territory makes the Chisos Mountains in Big Bend National Park an inviting habitat for many species. -related clips
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 | Haleakala, Hawaii - Volcano Millions of years of volcanic activity have resulted in the dazzlingly-colorful and unique landscape of Mount Haleakala on the island of Maui. -related clips
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 | Glacier National Park - St. Mary Lake The views are endless at Montana's Glacier National Park, especially at St. Mary's Lake, where a variety of coniferous trees frame the clear alpine waters. -related clips
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 | White Mountain, New Hampshire - Alpine Zones The highest peak in the Northeast, Mount Washington in New Hampshire features alpine meadows and shrub-like 'krummholz' habitat. -related clips
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 | Desert Stone: Rock Climbing In Arizona's Dragoon Mountains, climbers find plenty of the vertical rock that they crave.
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 | Shenandoah National Park - Appalachian Trail Virginia's Shenandoah National Park encompasses diverse mountain and forest habitats. -related clips
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 | Lake Tahoe - Chaparral The high altitude and dry climate of the hills surrounding Lake Tahoe are inviting to a few hearty shrubs and trees. -related clips
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 | Denali National Park - Alpine Tundra The high alpine tundra of Denali National Park offers spectacular views of the Alaska Range and a look at some hardy alpine plants. -related clips
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 | Mount Rainier, Washington - Subalpine Meadow Washington's tallest peak, Mount Rainier is not only a gorgeous sight to behold but also supports a thriving ecosystem on its subalpine meadows. -related clips
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 | Mount Rainier, Washington - Alpine Zone Alpine flowers abound on the summer slopes of Mount Rainier, a volcanic peak formed as a result of plate tectonics. -related clips
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 | Mount Rainier, Washington - Glacier View Pulled by the force of gravity, glaciers are rivers of ice that continually carve down mountainsides, altering the landscape. -related clips
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 | Mount St. Helens - Blast Zone The cataclysmic eruption of Mount St. Helens in 1980 left vast scars on the landscape still obvious today. -related clips
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 | Mount St. Helens - Re-emerging Life Not long after the violent Mount St. Helens eruption, life is returning to the region, especially near bodies of water. -related clips
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 | Mount St. Helens - Debris Avalanche Mount St. Helens' eruption sent rivers of volcanic debris flowing down the sides of the mountain, creating the landscape which is now being repopulated. -related clips
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 | Mount St. Helens - Protected Ecosystem A protective covering of snow on one side of Mount St. Helens allowed a number of plants and animals to survive the eruption. -related clips
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 | Santa Catalina Mountains Ecosystems Surrounded by the Sonoran Desert, the higher elevations of the Santa Catalina Mountains contain a variety of semi-arid and forest habitats. -related clips
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 | Pine Forests of the Santa Catalina Mountains The high elevations of the Santa Catalina Mountains are home to a mixture of ponderosa pine and conifer forests. -related clips
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 | Mountain Building in the Desert - Part 1 The shaping and reshaping of the of the Sonoran Desert over millions of years has defined the weather and plant life of the region. -related clips
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 | Alpine Tundra Above Juneau The alpine tundra is a dramatic and fragile environment with sweeping views and delicate plant life.
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 | History of Idaho's Wilderness Preservation Find out how Idaho played a role in the origin and evolution of wilderness preservation in the United States. -related clips
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 | Wilderness Preservation and Logging Members of the logging industry present their points of view on how wilderness preservation affects their livelihood. -related clips
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 | Wilderness Preservation and Forest Fires Forestry officials discuss the role forest fires play in nature's cycles of renewal. -related clips
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 | Steens Mountain in Winter One of Oregon's most inaccessible mountains, the Steens embodies a dangerous yet pristine beauty.
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 | Waterfall Climbing Climbing up the icy face of a frozen waterfall can be thrilling, but is also a sport for the experienced.
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 | Lake Pend Oreille Lake Pend Oreille is one of Idaho's great destinations for artists, climbers and anglers. -related clips
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 | Smith Rock Climbing Smith Rock in Oregon is a world-class rock climbing site, attracting top climbers from around the globe.
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 | Portland Mountain Rescue Members of Oregon's Mountain Rescue team confront high altitudes, difficult trails and fluctuating temperatures to train for mountain emergencies.
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 | Oregon's Wallowa Gondola For a brilliant view and an exhilarating ride, sightseers take a trip up the Wallowa Mountains in a carefully-maintained gondola.
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 | Paul Petzoldt - Mountain Climber In 1924, Paul Petzoldt climbed the Grand Teton, and before long he had climbed the mountain more than any other guide. -related clips
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 | Sawtooth National Recreation Area Idaho's Sawtooth National Recreation Area was created as a compromise between recreationists and those who wanted to utilize the land.
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 | Pine Mountain State Resort Park Untouched forest and rolling mountains characterize Pine Mountain State Resort Park, which is available for the public to enjoy.
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 | Climbing Mt. Jefferson A video crew makes the difficult journey up the rocky slopes of Oregon's Mount Jefferson.
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 | Wild Kiger Mustangs Descended from Spanish horses brought to America in the 1600s, Kiger mustangs are as wild as deer in their native habitat.
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 | Climbers on the Grand Tetons Experienced rock climbers reflect on the challenges of scaling the Grand Tetons. -related clips
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 | The Grand Tetons - Geology and History America's youngest mountain range, the Grand Tetons have been a source of inspiration since humans first set eyes on them. -related clips
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 | Boomer: The Mountain Beaver The seldom-seen Boomer, or Mountain Beaver, causes problems for the forestry industry by feasting on newly-planted seedlings.
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 | Pack Goats Most people may not realize that goats make excellent pack animals for carrying gear in mountainous territory.
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