Only US presidents create new National Monuments by using the Antiquities Act of 1906. National Monuments are usually created by the executive branch. Congress has the power to create National Parks and will occasionally elevate national monuments to national parks.
- African Burial Ground National Monument, New York
- Agate Fossil Beds National Monument, Nebraska
- Alibates Flint Quarries National Monument, Texas
- Aniakchak National Monument, Alaska
- Aztec Ruins National Monument, New Mexico
- Bandelier National Monument, New Mexico
- Belmont-Paul Women’s Equality National Monument, District of Columbia
- Birmingham Civil Rights National Monument, Alabama
- Booker T. Washington National Monument, Virginia
- Buck Island Reef National Monument, Virgin Islands
- Cabrillo National Monument, California
- Camp Nelson National Monument, Kentucky
- Canyon de Chelly National Monument, Arizona
- Cape Krusenstern National Monument, Alaska
- Capulin Volcano National Monument, New Mexico
- Carlisle Federal Indian Boarding School National Monument, Pennsylvania
- Casa Grande Ruins National Monument, Arizona
- Castillo de San Marcos National Monument, Florida
- Castle Clinton National Monument, New York
- Castle Mountains National Monument, California
- Cedar Breaks National Monument, Utah
- César E. Chávez National Monument, California
- Charles Young Buffalo Soldiers National Monument, Ohio
- Chiricahua National Monument, Arizona
- Colorado National Monument, Colorado
- Craters of the Moon National Monument, Idaho
- Devils Postpile National Monument, California
- Devils Tower National Monument, Wyoming
- Dinosaur National Monument, Colorado and Utah
- Effigy Mounds National Monument, Iowa
- El Malpais National Monument, New Mexico
- El Morro National Monument, New Mexico
- Emmett Till and Mamie Till-Mobley National Monument, Illinois and Mississippi
- Florissant Fossil Beds National Monument, Colorado
- Fort Frederica National Monument, Georgia
- Fort Matanzas National Monument, Florida
- Fort McHenry National Monument and Historic Shrine, Maryland
- Fort Monroe National Monument, Virginia
- Fort Pulaski National Monument, Georgia
- Fort Stanwix National Monument, New York
- Fort Union National Monument, New Mexico
- Fossil Butte National Monument, Wyoming
- Frances Perkins National Monument, Maine
- Freedom Riders National Monument, Alabama
- George Washington Birthplace National Monument, Virginia
- George Washington Carver National Monument, Missouri
- Gila Cliff Dwellings National Monument, New Mexico
- Governors Island National Monument, New York
- Grand Portage National Monument, Minnesota
- Grand Stair Case Escalante, Utah
- Hagerman Fossil Beds National Monument, Idaho
- Hohokam Pima National Monument, Arizona
- Hovenweep National Monument, Colorado and Utah
- Jewel Cave National Monument, South Dakota
- John Day Fossil Beds National Monument, Oregon
- Katahdin Woods and Waters National Monument, Maine
- Lava Beds National Monument, California
- Little Bighorn Battlefield National Monument, Montana
- Medgar and Myrlie Evers Home National Monument, Mississippi
- Mill Springs Battlefield National Monument, Kentucky
- Montezuma Castle National Monument, Arizona
- Muir Woods National Monument, California
- Natural Bridges National Monument, Utah
- Navajo National Monument, Arizona
- Oregon Caves National Monument and Preserve, Oregon
- Organ Pipe Cactus National Monument, Arizona
- Petroglyph National Monument, New Mexico
- Pipe Spring National Monument, Arizona
- Pipestone National Monument, Minnesota
- Poverty Point National Monument, Louisiana
- Rainbow Bridge National Monument, Utah
- Russell Cave National Monument, Alabama
- Salinas Pueblo Missions National Monument, New Mexico
- Scotts Bluff National Monument, Nebraska
- Springfield 1908 Race Riot National Monument, Illinois
- Statue of Liberty National Monument, New Jersey and New York
- Stonewall National Monument, New York
- Sunset Crater Volcano National Monument, Arizona
- Timpanogos Cave National Monument, Utah
- Tonto National Monument, Arizona
- Tule Lake National Monument, California
- Tule Springs Fossil Beds National Monument, Nevada
- Tuzigoot National Monument, Arizona
- Vermillion Cliffs National Monument, Arizona
- Virgin Islands Coral Reef National Monument, Virgin Islands
- Waco Mammoth National Monument, Texas
- Walnut Canyon National Monument, Arizona
- Wupatki National Monument, Arizona
- Yucca House National Monument, Colorado