Arches, windows, balanced rocks, and other prominent features of Arches National Park, located near Moab, Utah.

From the Grand Canyon to Monument Valley and the bends of the Colorado River to the curved saguaros, Arizona offers a wide variety of dramatic scenery.

This gallery features images from Colorado's two national parks — Rocky Mountain and the Great Sand Dunes — as well as other stunning scenery from the state.

The Grand Canyon, considered a Wonder of the Natural World, is a wide a deep canyon carved by the Colorado River in Arizona. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and as deep as 6,000 feet (1,800 metres). It is largely located within Grand Canyon National Park, the 15th national park in the United States.

Nature and wildlife photography from throughout New Mexico, including Ship Rock, White Sands, and snow geese and sandhill cranes from the Bosque del Apache National Wildlife Refuge.

Slot canyons are a dramatic force of nature, carved during flash floods. Heavy rains turn dry washes into raging rivers, which rip through and erode narrow sandstone canyons. Some canyons are barely wide enough for one person to crawl through and may be dozens of feet deep. This causes the vibrant colors as the narrow canyons filter the sunlight.

From dramatic hoodoos of Bryce Canyon to the world's greatest concentration of natural sandstone arches and bridges, Utah features some of the most stunning scenery in the world.

The Valley of Fire, Nevada's first state park, is known for its petroglyphs and dramatic red sandstone formations.

Zion National Park, Utah's first national park, is known for its towering peaks, the tallest of which abruptly climb more than 3,500 feet from the canyon floor. It's also known for its wide variety of sandstone, ranging in color from deep red to pink and light cream.