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  National Military Park

  Gettysburg National Military Park

  Pennsylvania

  The Battle of Gettysburg was a turning point in the Civil War, the Union victory that ended General Robert E. Lee's second and most ambitious invasion of the North.…

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  National Monument

  Gila Cliff Dwellings National Monument

  New Mexico

  For thousands of years, groups of nomads used the caves above Cliff Dweller Creek as temporary shelter. In the late 1200s, people of the agricultural Mogollon (South…

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  National Park & Preserve

  Glacier Bay National Park & Preserve

  Alaska

  Covering 3.3 million acres of rugged mountains, dynamic glaciers, temperate rainforest, wild coastlines and deep sheltered fjords, Glacier Bay National Park and Pres…

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  National Park

  Glacier National Park

  Montana

  A showcase of melting glaciers, alpine meadows, carved valleys, and spectacular lakes. With over 700 miles of trails, Glacier is a paradise for adventurous visitors…

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  National Recreation Area

  Glen Canyon National Recreation Area

  Arizona, Utah

  Encompassing over 1.25 million acres, Glen Canyon National Recreation Area offers unparalleled opportunities for water-based & backcountry recreation. The recreation…

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  National Recreation Area

  Golden Gate National Recreation Area

  California

  Experience a park so rich it supports 19 distinct ecosystems with over 2,000 plant and animal species. Go for a hike, enjoy a vista, have a picnic or learn about the…

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  National Historical Park

  Golden Spike National Historical Park

  Utah

  One of the greatest technological achievements of the 19th century is the completion of the first transcontinental railroad across the United States. Visitors to the…

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  National Monument

  Governors Island National Monument

  New York

  From 1794 to 1966, the U.S. Army presence on Governors Island played a vital role in the social, political, and economic life of New York City. The island then serve…

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  National Park

  Grand Canyon National Park

  Arizona

  Entirely within the state of Arizona, the park encompasses 278 miles (447 km) of the Colorado River and adjacent uplands. Located on the ancestral homelands of 11 pr…

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  National Monument

  Grand Portage National Monument

  Minnesota

  Travel into the past to discover the present. Explore the partnership between the Grand Portage Anishinaabe and the North West Company during the North American fur…

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  National Park

  Grand Teton National Park

  Wyoming

  Soaring over a landscape rich with wildlife, pristine lakes, and majestic alpine vistas, the Teton Range stands as a testament to generations of stewards. For over 1…

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  National Park

  Great Basin National Park

  Nevada

  From the 13,063-foot summit of Wheeler Peak to the sagebrush-covered foothills, Great Basin National Park hosts a sample of the incredible diversity of the larger Gr…

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  National Park Service site

  Great Egg Harbor River

  New Jersey

  Both the harbor and river were named for the shorebird and waterfowl eggs covering their meadows. During the American Revolution, privateers hid here. Established as…

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  National Park & Preserve

  Great Sand Dunes National Park & Preserve

  Colorado

  The tallest dunes in North America are the centerpiece in a diverse landscape of grasslands, wetlands, forests, alpine lakes, and tundra. Stay on a moonless night to…

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  National Park

  Great Smoky Mountains National Park

  North Carolina, Tennessee

  Ridge upon ridge of forest straddles the border between North Carolina and Tennessee in Great Smoky Mountains National Park. World renowned for its diversity of plan…

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  Park

  Greenbelt Park

  Maryland

  Enjoy affordable camping, hiking, and peaceful forest surroundings just ten miles from Washington, DC!

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  National Seashore

  Gulf Islands National Seashore

  Florida, Mississippi

  Millions of visitors are drawn to the Gulf of America for Gulf Islands National Seashore's emerald coast waters, magnificent white beaches, fertile marshes and histo…

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  National Monument

  Hagerman Fossil Beds National Monument

  Idaho

  During the Pliocene, this place looked quite different. Lush wetlands, forests, and grasslands provided excellent habitat for a variety of animals. From fascinating,…

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  National Historic Site

  Hampton National Historic Site

  Maryland

  Hampton National Historic Site preserves what remains of a once 25,000-acre enslavement plantation. For hundreds of years, enslaved people, indentured servants, tena…

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  National Historical Park

  Harriet Tubman National Historical Park

  New York

  Harriet Tubman was guided by a deep faith and devotion to family, freedom, and community. After emancipating herself and members of her family, she moved them from O…

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  National Historical Park

  Harriet Tubman Underground Railroad National Historical Park

  Maryland

  Harriet Tubman was a deeply spiritual woman who lived her ideals and dedicated her life to freedom. She is the Underground Railroad’s best known conductor and before…

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  National Historic Site

  Herbert Hoover National Historic Site

  Iowa

  Orphaned at age nine, Herbert Hoover left West Branch never to live here again. In later years, he returned to his humble birthplace to celebrate his long career of…

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  National Historical Park

  Homestead National Historical Park

  Nebraska

  The Homestead Act of 1862 transformed the world. Millions were invited to file claims including families, women, immigrants, and formerly enslaved people. Over 10 pe…

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  National Historical Park

  Hopewell Culture National Historical Park

  Ohio

  Nearly 2000 years ago, Native Americans built dozens of monumental mounds and earthen enclosures in southern Ohio. These earthwork complexes were ceremonial landscap…