Adirondack Mountains The Adirondacks are very old mountains in the state of New York.

California Coast Pacific Ocean waves crash into the California coast.

Canyon de Chelly The Rio de Chelly begins near the Chuska Mountains close to the Arizona–New Mexico border.

Craters of the Moon National Monument Craters of the Moon National Monument preserves a volcanic landscape in the state of Idaho.

Death Valley National Park Alluvial fans are a prominent feature in California’s Death Valley.

Delicate Arch Delicate Arch is a landform at Arches National Monument in Utah.

Goosenecks State Park The Goosenecks of the San Juan River in Utah are meanders that have cut straight down into the Colorado Plateau.

Grand Canyon from an Airplane Window This picture was taken during a flight on a commercial airplane between Houston and San Francisco.

Grand Canyon National Park The Colorado River has carved the Grand Canyon into the rocks of the Colorado Plateau in northern Arizona.

Grand Teton National Park Glaciers have helped shape the landscape of the Grand Tetons in Wyoming.

Hawaii Volcanoes National Park All of the Hawaiian Islands were formed by volcanic eruptions, but only the Big Island of Hawaii continues to experience activity.

Kansas Kansas is one of the Plains States.

Kauai in the Pacific Ocean This photo was taken from the Space Shuttle as it flew over the island of Kauai. Kauai is the oldest and fourth largest of the Hawaiian Islands. It is the wettest spot on Earth.

Lake Powell, Arizona When the Glen Canyon Dam was completed across the Colorado River, it created a reservoir.

Mammoth Cave National Park Mammoth Cave in Kentucky formed in an area of karst topography.

Mississippi River Delta The Mississippi River is the largest river system in North America.

Missouri River In 1993 severe flooding affected many of the states along the Missouri and Mississippi Rivers.

Mt. Katahdin Mt. Katahdin’s granite and glaciated slopes are in Maine.

Mt. Rainier National Park Like most of the Cascade volcanoes, Mt. Rainier has been shaped by glacial erosion.

Mt. Saint Helens Mt. Saint Helens is a stratovolcano in southern Washington State.

Niagara Falls The Niagara Falls are located on the Niagara River between Lakes Erie and Ontario.

Oregon Sand Dunes The Oregon Dunes stretch in a long narrow band along the central Oregon coast.

Palouse Hills, Washington The Palouse Hills in eastern Washington are composed of earth materials deposited by continental glaciers on top of the lava flows of the Columbia Plateau.

Potomac River The Potomac River from the Key Bridge between Rosslyn, Virginia and Georgetown, Washington, DC.

Rocky Mountains These mountains are in Colorado and are part of the Rocky Mountain range.

San Andreas Fault The trace of the San Andreas Fault across the Carrizo Plain in California is very obvious in this photograph. The San Andreas Fault marks where the North American and Pacific Plates slide past each other.

Southern Sierra The Sierra Nevada in California are on the eastern edge of California.

Split-Twig Figurine This split-twig figurine came from a cave in the Redwall Limestone in the eastern Grand Canyon.

Upper Peninsula, Michigan The Upper Peninsula of Michigan was covered by continental glaciers during the last ice ages.

Water Bodies: Finger Lakes Photo of the finger-shaped lakes of New York State taken from the Space Shuttle.

Water Bodies: Great Lakes Photo of all five Great Lakes taken from the Space Shuttle.

Water Bodies: Great Salt Lake A color infrared photo of the Great Salt Lake in Utah.

Water Bodies: Susquehanna River Photo of portions of the Appalachian Mountains and the Susquehanna River taken from the Space Shuttle.

Yellowstone National Park Yellowstone Falls is on the Yellowstone River in Yellowstone National Park in the state of Wyoming.

Yosemite National Park Yosemite Valley in California is a good example of a U-shaped valley eroded by advancing valley glaciers.

Yosemite National Park: Waterfalls Yosemite National Park in California is known for its beautiful waterfalls pouring out of high hanging valleys.

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