Alexander Calder was an American sculptor who is best known for his innovative mobiles and stabiles.

The American Museum of Natural History is a renowned museum located in New York City.

The American Red Cross is a humanitarian organization in the United States that provides emergency assistance, disaster relief, and education and training in various health and safety fields.

The Gettysburg Address is one of the most renowned speeches in American history and was delivered by President Abraham Lincoln during the American Civil War.

The Greensboro sit-ins were a series of nonviolent protests in February to July 1960, primarily in the Woolworth store-now the International Civil Rights Center and Museum-in Greensboro, North Carolina, which led to the F.

The Library of Congress is the national library of the United States and one of the largest libraries in the world.

A museum is an institution that collects, preserves, and displays various objects of historical, cultural, artistic, or scientific significance for public viewing and education.

The National Air and Space Museum is a prestigious museum located in Washington, D.