Arches National Park is a U.S. National Park in eastern Utah. It is known for preserving over 2000 natural sandstone arches, including the world-famous Delicate Arch, in addition to a variety of unique geological resources and formations.

The park is located just outside of Moab, Utah, and is 76,679 acres (31,031 ha) in area. Its highest elevation is 5,653 feet (1,723 m) at Elephant Butte, and its lowest elevation is 4,085 feet (1,245 m) at the visitor center. Forty-three arches have collapsed due to erosion since 1970. The park receives 10 inches (250 mm) of rain a year on average.

Administered by the National Park Service, the area was originally created as a National Monument on April 12, 1929. It was redesignated as a National Park on November 12, 1971.

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Big Sur is a sparsely populated region of the Central Coast of California where the Santa Lucia Mountains rise abruptly from the Pacific Ocean. The name "Big Sur" is derived from the original Spanish-language "el sur grande", meaning "the big south", or from "el país grande del sur", "the big country of the south". The terrain offers stunning views, making Big Sur a popular tourist destination. Big Sur's Cone Peak is the highest coastal mountain in the contiguous 48 states, ascending nearly a mile (5,155 feet/1571 m) above sea level, only three miles (4.8 km) from the ocean.

Although Big Sur has no specific boundaries, many definitions of the area include the 90 miles (140 km) of coastline from the Carmel River south to the San Carpoforo Creek, and extend about 20 miles (32 km) inland to the eastern foothills of the Santa Lucias. Other sources limit the eastern border to the coastal flanks of these mountains, only three to 12 miles (19 km) inland. Another practical definition of the region is the segment of California State Route 1 between San Simeon and Carmel.

The northern end of Big Sur is about 120 miles (190 km) south of San Francisco, and the southern end is approximately 245 miles (394 km) northwest of Los Angeles.

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Mount McKinley or Denali (Koyukon Athabaskan for "The High One", Dghelaayce’e in Ahtna) in Alaska, is the highest mountain peak in North America and in theUnited States, with a summit elevation of 20,320 feet (6,194 m) above sea level. Measured base-to-peak, it is the tallest mountain on land. Measured by topographic prominence, it is the third most prominent peak in the world after Mount Everest and Aconcagua. It is the centerpiece of Denali National Park and Preserve.

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The Grand Canyon is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona. It is contained within and managed by Grand Canyon National Park, the Hualapai Tribal Nation, and the Havasupai Tribe. President Theodore Roosevelt was a major proponent of preservation of the Grand Canyon area, and visited it on numerous occasions to hunt and enjoy the scenery. It is considered one of the Seven Natural Wonders of the World. 

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Aerial photographs taken over New York City.
Photographers: Daniel Acker, Saul Loeb, Stan Honda, Mario Tama.
2010

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