Chiricahua / Bay / Pinnacles / San Marcos / Mounds / Cascade-Siskiyou / Dunes / Sitka / Papago Saguaro / Spring / Shoshone Caverns / Valley / Cabrillo / Capulin Mt. / Aniakchak / Postpile / Hole / Bridges / Minidoka Internment / Agua Fria / Cape Krusenstern / Lassen Volcanic / Bridge / Noatak / Saguaro / Verendrye / Tonto / Wupatki / Washington / Katmai / Sieur de Monts / Arena-Stornetta / Cliffs / Navajo / Tuzigoot / Mount Olympus / Rock / Meriwether Lewis / Denali / Hovenweep / Tower / Canal / Canyon / Channel Islands / Tumacacori / New York / Kenai Fjords / César E. Chávez / Becharof / Bandelier / Wheeler / Giant Sequoia / Lake Clark / Railroad / Rocks / Grande del Norte / Gran Quivira / El Morro / Crater / Forest / San Juan / /
Company
Hoover / Wilson / Chesapeake / Lehman / Ford / /
Country
American Samoa / U.S. Virgin Islands / Northern Mariana Islands / / /
Event
Natural Disaster / /
Facility
Castle Pinckney / Fort Monroe / Fort Ord / Fort Laramie / Statue of Liberty / Montezuma Castle / Fort Matanzas / Fort Pulaski / Fort Jefferson / Fort Wood / Bering Land Bridge / Rainbow Bridge / /
Movie
Grand Canyon II / /
NaturalFeature
Mariana Islands / Grand Canyon / Gulf Islands National Seashore / Black Canyon / Mount Olympus / Capulin Volcano / Death Valley / Sequoia National Forest / Tongass National Forest / /
Organization
National Park Service / Edison Lab / /
Person
Lewis / Charley Rivers / Clinton / Clarke / Harriet Tubman / Russell Cave / Truman / Millet Cross / T. Roosevelt / Misty Fjords / Lincoln / Rose Atoll / Elise Russell Liguori / / /
Position
President / /
ProvinceOrState
Nebraska / Ohio / Virginia / Alabama / Alaska / Maine / North Dakota / Hawaii / New York / Washington / Missouri / New Mexico / Utah / Montana / South Carolina / California / Georgia / Arizona / Idaho / Colorado / New Jersey / Wyoming / Maryland / Nevada / Oregon / South Dakota / Tennessee / Delaware / Florida / Iowa / /