The Stone Mountain Confederate Memorial is a large bas-relief sculpture carved into the side of Stone Mountain in Georgia. It depicts Confederate President Jefferson Davis and Generals Robert E. Lee and Stonewall Jackson. The memorial has been the subject of controversy since its construction in the 1920s, with many people calling for its removal.

The Old Slave Mart Museum is located in Charleston, South Carolina. It is the only surviving slave auction site in the United States. The museum was opened in 2007 after a long and controversial restoration process.

The Manzanar National Historic Site is located in California. It was one of ten concentration camps where Japanese Americans were interned during World War II. The site was designated a National Historic Site in 1985.

The Red Light District National Historic Site is located in San Francisco, California. It is the only remaining red light district in the United States. The site was designated a National Historic Site in 2006.

The Gettysburg National Military Park is located in Pennsylvania. It is the site of the Battle of Gettysburg, which was a turning point in the American Civil War. The park was established in 1895.

The Eastern State Penitentiary is located in Philadelphia, Pennsylvania. It was the first prison in the United States to use solitary confinement as a form of punishment. The prison was closed in 1971 and was opened to the public as a museum in 1994.

The Independence National Historical Park is located in Philadelphia, Pennsylvania. It is the site of the signing of the Declaration of Independence and the Constitution of the United States. The park was established in 1959.

The Ellis Island Immigration Museum is located in New York City. It was the main immigration station in the United States from 1892 to 1954. The museum was opened to the public in 1990.

The Oregon Trail National Historic Trail is a 2,170-mile trail that follows the route of the Oregon Trail, which was used by pioneers traveling from the eastern United States to the Oregon Country in the 19th century. The trail was designated a National Historic Trail in 1983.

The Boston Latin School is located in Boston, Massachusetts. It is the oldest public school in the United States, having been founded in 1635. The school was moved to its current location in 1881.

The Martin Luther King, Jr. National Historic Site is located in Atlanta, Georgia. It is the birthplace of Martin Luther King, Jr., who was a leader of the American Civil Rights Movement. The site was designated a National Historic Site in 1980.

The Old North Church is located in Boston, Massachusetts. It is the site where the lanterns were hung in 1775 to signal Paul Revere that the British were coming. The church was built in 1723 and is still in use today.

The Bunker Hill Monument is located in Boston, Massachusetts. It commemorates the Battle of Bunker Hill, which was one of the first battles of the American Revolution. The monument was completed in 1843.

The American Museum of Natural History is located in New York City. It is one of the largest natural history museums in the world. The museum was founded in 1869 and opened to the public in 1877.

The Boston Tea Party Ships & Museum is located in Boston, Massachusetts. It is a museum that tells the story of the Boston Tea Party, which was a protest against British taxes on tea. The museum was opened to the public in 1973.