The Great Seal of the State of Nebraska, 1867. The seal shows a steamboat on the Missouri River, a train, a cabin, and a blacksmith. The banner holds the state motto, "Equality Before the Law."

Seal of Nebraska

The Great Seal of the State of Nebraska, 1867. The seal shows a steamboat on the Missouri River, a train,…

The United States seal of Nevada.

Nevada

The United States seal of Nevada.

The state banner of Nevada, the sage brush state.

Nevada

The state banner of Nevada, the sage brush state.

The Great Seal of the State of Nevada. The seal shows wheat, a sickle, and a plow representing agriculture. It also shows sunshine, mountains and the state motto, "All for Our Country."

Seal of Nevada

The Great Seal of the State of Nevada. The seal shows wheat, a sickle, and a plow representing agriculture.…

The Great Seal of the State of New Hampshire, 1784. The seal depicts a ship on stocks with a sunrise in the background.

Seal of New Hampshire

The Great Seal of the State of New Hampshire, 1784. The seal depicts a ship on stocks with a sunrise…

The Great Seal of the State of New Jersey. The seal features Liberty and Ceres holding a shield with three plows representing agriculture. The state motto in the ribbon below reads, "Liberty and Prosperity."

Seal of New Jersey

The Great Seal of the State of New Jersey. The seal features Liberty and Ceres holding a shield with…

The United States seal of New Mexico.

New Mexico

The United States seal of New Mexico.

The Great Seal of the State of New Mexico, 1850. The seal pictures the American Bald Eagle and the Mexican Eagle holding a cactus in its talons and a snake in its mouth. Below them is a banner with the state motto, 'Crescit Eundo' meaning "It grows as it goes."

Seal of New Mexico

The Great Seal of the State of New Mexico, 1850. The seal pictures the American Bald Eagle and the Mexican…

The Great Seal of the State of New York. The seal shows Justice holding the scales and Liberty stepping on the British Crown. Between them, is a shield with the sun and boats on the Hudson River. Beneath is the state motto 'Excelsior' meaning "Ever upwards."

Seal of New York

The Great Seal of the State of New York. The seal shows Justice holding the scales and Liberty stepping…

The United States seal of North Carolina with two ships in the background.

North Carolina

The United States seal of North Carolina with two ships in the background.

The Great Seal of the State of North Carolina, 1773. The seal shows Liberty standing and Plenty holding a cornucopia. Below is the state motto, 'Esse Quam Videri' meaning "To Be Rather Than To Seem."

Seal of North Carolina

The Great Seal of the State of North Carolina, 1773. The seal shows Liberty standing and Plenty holding…

The Great Seal of the State of North Dakota. The seal depicts a tree, wheat, a plow, and a Native American on horseback hunting a buffalo. Above is the state motto, "Liberty and Union Now and Forever, One and Inseparable."

Seal of North Dakota

The Great Seal of the State of North Dakota. The seal depicts a tree, wheat, a plow, and a Native American…

Also known as Quercus rubra. The branch of a Northern Red Oak tree, native to northeastern United States.

Branch of Northern Red Oak

Also known as Quercus rubra. The branch of a Northern Red Oak tree, native to northeastern United States.

Capital letter O with a flag, and the place where the first flag was sewn.

O, Capital

Capital letter O with a flag, and the place where the first flag was sewn.

Oak Hill Plantation was James Monroe's estate in Loudoun County, Virginia. It was built for the fifth U.S. president in 1808.

Oak Hill Plantation, Monroe's Estate

Oak Hill Plantation was James Monroe's estate in Loudoun County, Virginia. It was built for the fifth…

The United States seal of Ohio.

Ohio

The United States seal of Ohio.

The state banner of Ohio, the buckeye state.

Ohio

The state banner of Ohio, the buckeye state.

The Great Seal of the State of Ohio. The seal features a sunrise behind a wheat field and mountains. The wheat bundle symbolizes agriculture and the seventeen arrows represents Ohio's admittance as the seventeenth state.

Seal of Ohio

The Great Seal of the State of Ohio. The seal features a sunrise behind a wheat field and mountains.…

The official U.S. state seal of Ohio.

Seal of Ohio

The official U.S. state seal of Ohio.

The state banner of Oklahoma, the boomer's paradise.

Oklahoma

The state banner of Oklahoma, the boomer's paradise.

The Great Seal of the State of Oklahoma, 1907. The seal has a star with five rays hold seals of Cherokee, Chickasaw, Choctaw, Creek, and Seminole.

Seal of Oklahoma

The Great Seal of the State of Oklahoma, 1907. The seal has a star with five rays hold seals of Cherokee,…

The 13-star "Betsy Ross" flag of the United States of America.

Old Glory

The 13-star "Betsy Ross" flag of the United States of America.

Also known as Populus balsamifera. The branch of an Ontario Balsam Poplar tree, native to northern United States.

Branch of Ontario Balsam Poplar

Also known as Populus balsamifera. The branch of an Ontario Balsam Poplar tree, native to northern United…

The United States seal of Oregon.

Oregon

The United States seal of Oregon.

The state banner of Oregon, the webfoot state.

Oregon

The state banner of Oregon, the webfoot state.

The Great Seal of the State of Oregon. The seal shows mountains, an elk, a wagon, and the Pacific Ocean.

Seal of Oregon

The Great Seal of the State of Oregon. The seal shows mountains, an elk, a wagon, and the Pacific Ocean.

An illustration of the organization of the United States Air Force as in 1944.

Organization of Air Force (1944)

An illustration of the organization of the United States Air Force as in 1944.

The original seal of the United States of America.

Original US Seal

The original seal of the United States of America.

Also known as Quercus lyrata. The branch of an Overcup Oak tree, native to the wetlands of the United States.

Branch of Overcup Oak

Also known as Quercus lyrata. The branch of an Overcup Oak tree, native to the wetlands of the United…

"But who are the little boys with the silver badges about the size of a half-dollar on their coats, who are running to and fro with letters and papers in their hands? They do not seem to be more than twelve or fifteen years of age. Those are the pages of Congress; they run errands for the congressman; and each receives two dollars and fifty cents a day for his work."—Carpenter, 1898.

A Page

"But who are the little boys with the silver badges about the size of a half-dollar on their coats,…

Also known as Betula papyrifera. The branch of a Paper Birch tree, native to northern North America.

Branch of Paper Birch

Also known as Betula papyrifera. The branch of a Paper Birch tree, native to northern North America.

Peacefield or Old House was the estate of both presidents John Adams and John Quincy Adams in Quincy, Massachusetts.

Peacefield, Adam's Estate

Peacefield or Old House was the estate of both presidents John Adams and John Quincy Adams in Quincy,…

Also known as Salix amygdaloides. The branch of a Peachleaf Willow tree, native to southern Canada and northern United States.

Branch of Peachleaf Willow

Also known as Salix amygdaloides. The branch of a Peachleaf Willow tree, native to southern Canada and…

A typical peat-bog sedge, characteristic of the peat-bogs of the northeastern United States.

Peat Bog

A typical peat-bog sedge, characteristic of the peat-bogs of the northeastern United States.

A scene of the Pemaquid River in Maine.

Pemaquid River

A scene of the Pemaquid River in Maine.

An illustration of two pennies.

Pennies

An illustration of two pennies.

The state banner of Pennsylvania, the keystone state.

Pennsylvania

The state banner of Pennsylvania, the keystone state.

The Seal of the State of Pennsylvania. The seal shows a shield which has a ship, a plow, and sheaves of wheat. This represents commerce, labor, and agriculture.

Seal of Pennsylvania

The Seal of the State of Pennsylvania. The seal shows a shield which has a ship, a plow, and sheaves…

A general officer in the United States Army during World War I.

John J. Pershing

A general officer in the United States Army during World War I.

Franklin Pierce, the fourteenth president of the United States.

Franklin Pierce

Franklin Pierce, the fourteenth president of the United States.

Also known as Hicoria glabra. The branch of a Pignut Hickory tree, native to the eastern United States.

Branch of Pignut Hickory

Also known as Hicoria glabra. The branch of a Pignut Hickory tree, native to the eastern United States.

William Pinkney (March 17, 1764 – February 25, 1822) was an American statesman and diplomat, and the seventh U.S. Attorney General.

William Pinkney

William Pinkney (March 17, 1764 – February 25, 1822) was an American statesman and diplomat, and the…

An illustration of a soldier planting a United States flag in the ground.

Planting of US Flag

An illustration of a soldier planting a United States flag in the ground.

Plymouth Rock is the traditional site of disembarkation of William Bradford and the Mayflower Pilgrims who founded Plymouth Colony in 1620, in what would become the United States.

Plymouth Rock and Monument

Plymouth Rock is the traditional site of disembarkation of William Bradford and the Mayflower Pilgrims…

Also known as Annona glabra. A branch of a Pond-Apple tree, native to the southeast United States and the Caribbean.

Branch of Pond-Apple

Also known as Annona glabra. A branch of a Pond-Apple tree, native to the southeast United States and…

The branch of a Populus wislizeni, a species of cottonwood tree.

Branch of Populus Wislizeni

The branch of a Populus wislizeni, a species of cottonwood tree.

The United States seal of the Post Office.

Post Office

The United States seal of the Post Office.

The seal of the Post-Office Department of the United States.

Seal of the Post-Office Department

The seal of the Post-Office Department of the United States.

Also known as Malus ioensis. A branch of a Prairie Crabapple tree native to the regions of the upper Mississippi Valley.

Branch of Prairie Crabapple

Also known as Malus ioensis. A branch of a Prairie Crabapple tree native to the regions of the upper…

Protected cruisers were a type of naval cruiser of the late 19th century, so known because their deck armour offered protection for vital machine spaces from shrapnel caused by exploding shells above.

A United States protected Cruiser at Sea

Protected cruisers were a type of naval cruiser of the late 19th century, so known because their deck…

Also known as Populus tremuloides. A species of tree native to the cooler areas of North America.

Quaking Aspen

Also known as Populus tremuloides. A species of tree native to the cooler areas of North America.

Also known as Morus rubra. The branch of a Red Mulberry tree, native to eastern North America, from Ontario and Vermont to southern Florida.

Branch of Red Mulberry

Also known as Morus rubra. The branch of a Red Mulberry tree, native to eastern North America, from…

Also known as Salix laevigata. The branch of a Red Willow tree, native to Pacific Coastal California.

Branch of Red Willow

Also known as Salix laevigata. The branch of a Red Willow tree, native to Pacific Coastal California.

The Seal of the State of Rhode Island and Providence Plantations, 1636. The seal shows a maritime anchor and the word "Hope."

Seal of Rhode Island

The Seal of the State of Rhode Island and Providence Plantations, 1636. The seal shows a maritime anchor…

Also known as Betula nigra. The branch of a River Birch tree, native to eastern United States.

Branch of River Birch

Also known as Betula nigra. The branch of a River Birch tree, native to eastern United States.

Also known as Ulmus thomasii. The branch of a Rock Elm tree, native to the midwestern United States.

Branch of Rock Elm

Also known as Ulmus thomasii. The branch of a Rock Elm tree, native to the midwestern United States.

Often called Plymouth Rocks. There are seven varieties: barred, blue, buff, Columbian, partridge, silver-penciled and white. They originated in the United States.

Pair of Barred Plymouth Rocks

Often called Plymouth Rocks. There are seven varieties: barred, blue, buff, Columbian, partridge, silver-penciled…

Carpenters' Hall is a four-story brick building in Center City Philadelphia, Pennsylvania which played a significant part in the early history of the United States.

Room in which Congress met in Carpenters' Hall

Carpenters' Hall is a four-story brick building in Center City Philadelphia, Pennsylvania which played…

A Sanitary Commission lodge near Alexandria, Virginia during the Civil War.

Sanitary Commission

A Sanitary Commission lodge near Alexandria, Virginia during the Civil War.

A house in Santa Fe, New Mexico in the United States.

A Santa Fe House

A house in Santa Fe, New Mexico in the United States.