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  National Historic Trail

  Oregon National Historic Trail

  Idaho, Kansas, Missouri +4

  Imagine yourself an emigrant headed for Oregon: would promises of lush farmlands and a new beginning lure you to leave home and walk for weeks? More than 2,000 miles…

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  National Monument

  Organ Pipe Cactus National Monument

  Arizona

  Look closely. Look again. The sights and sounds of Organ Pipe Cactus National Monument, an International Biosphere Reserve, reveal a thriving community of plants and…

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  National Historic Trail

  Overmountain Victory National Historic Trail

  North Carolina, South Carolina, Tennessee +1

  Stretching 330-miles through four states (Virginia, Tennessee, North and South Carolina) the Overmountain Victory National Historic Trail traces the route used by Pa…

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  National Park Service site

  Oxon Cove Park & Oxon Hill Farm

  Maryland

  The diverse history of Maryland and our national heritage can be experienced at Oxon Cove Park. Through hands-on programs and other activities, you can experience fa…

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  National Scenic Riverways

  Ozark National Scenic Riverways

  Missouri

  Ozark National Scenic Riverways is the first national park area to protect a river system. The Current and Jacks Fork rivers are two of the finest floating rivers fo…

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  National Historical Park

  Palo Alto Battlefield National Historical Park

  Texas

  On May 8, 1846, U.S. and Mexican troops clashed on the prairie of Palo Alto. The battle was the first in a two-year long war that changed the map of North America. A…

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  National Military Park

  Pea Ridge National Military Park

  Arkansas

  On March 7-8, 1862, over 23,000 soldiers fought here to decide the fate of Missouri which was a turning point of the war in the Trans-Mississippi. This 4,400-acre ba…

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  National Historical Park

  Pecos National Historical Park

  New Mexico

  Pecos is a natural and cultural crossroads through which hunters, gatherers, traders, missionaries, immigrants, soldiers, ranchers, and other travelers passed and li…

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  National Battlefield

  Petersburg National Battlefield

  Virginia

  Two hundred ninety-two days, eight offensives, over 70,000 casualties, U. S. Colored Troops, and the decline of Gen. Lee's Army of Northern Virginia all describe the…

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  National Park

  Petrified Forest National Park

  Arizona

  A landscape where deep time lies fully on display, Petrified Forest National Park blends colorful badlands, vast grasslands, and one of the world’s largest and most…

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  National Monument

  Petroglyph National Monument

  New Mexico

  Petroglyph National Monument protects one of the largest petroglyph sites in North America, featuring designs and symbols carved onto volcanic rocks by Native Americ…

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  National Lakeshore

  Pictured Rocks National Lakeshore

  Michigan

  Sandstone cliffs, beaches, waterfalls, sand dunes, inland lakes, deep forest, and wild shoreline beckon you to visit Pictured Rocks National Lakeshore. The power of…

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  National Park

  Pinnacles National Park

  California

  Around 23 million years ago, a series of volcanic eruptions shaped the landscape that is now Pinnacles National Park. The remnants of these ancient eruptions have fo…

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  National Monument

  Pipe Spring National Monument

  Arizona

  The rich history of Pipe Spring and its flowing water comes alive as you explore the traditions of the Kaibab Paiute and the Mormon settlers through the museum, hist…

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  National Seashore

  Point Reyes National Seashore

  California

  From its thunderous ocean breakers crashing against rocky headlands and expansive sand beaches to its open grasslands, brushy hillsides, and forested ridges, Point R…

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  National Historic Trail

  Pony Express National Historic Trail

  California, Colorado, Kansas +5

  It is hard to believe that young men once rode horses to carry mail from Missouri to California in the unprecedented time of only 10 days. This relay system along th…

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  National Scenic Trail

  Potomac Heritage National Scenic Trail

  District of Columbia, Maryland, Pennsylvania +1

  The Potomac River corridor is rich in both history and recreation, offering a chance to both explore your heritage and choose your adventure along the way. Start you…

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  National Monument

  Poverty Point National Monument

  Louisiana

  Now a nearly forgotten culture, Poverty Point at its peak 3,000 years ago was part of an enormous trading network that stretched for hundreds of miles across the con…

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  National Park Service site

  Presidio of San Francisco

  California

  For 218 years, the Presidio served as an army post for three nations. World and local events, from military campaigns to World Fairs and earthquakes, left their mark…

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  Park

  Prince William Forest Park

  Virginia

  Prince William Forest Park is an oasis, a respite of quiet and calm. In 1936, Chopawamsic Recreation Area opened its gates to house children's 'relief' camps during…

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  National Historical Park

  Puʻuhonua o Hōnaunau National Historical Park

  Hawaii

  Imagine you had just broken the sacred laws, the kapu, and the only punishment was death. Your only chance of survival is to elude your pursuers and reach the Puʻuho…

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  National Historic Site

  Puʻukoholā Heiau National Historic Site

  Hawaii

  How many places in America can you walk in the footsteps of a king? Where else has a stranded sailor risen up to become a great chief over an entire island? Where el…

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  National Monument

  Rainbow Bridge National Monument

  Utah

  Rainbow Bridge is one of the world's largest known natural bridges. The span has undoubtedly inspired people throughout time--from the neighboring Native American tr…

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  National Historical Park

  Reconstruction Era National Historical Park

  South Carolina

  The Reconstruction era,1861-1900 the historic period in which the United States grappled with the question of how to integrate millions of newly freed African Americ…