La Conciergerie

This was the prison in which the late Queen Marie Antoinette was held before her death. La Conciergerie is a former prison, and wen you were inside as a prisoner the only way that you could get out is death. Many people were executed there by the Guillotine, an execution in which the head of the person is cut off of the body in one cut by a large knife. Today La Conciergerie is still being used to judicial purposes. In 1914 La Conciergerie, opened a museum as a Historical National Monument. 

La Grande Arche

La Grande Arche is cube that is one-hundred-six meters high. It has a concrete frame covered by glass and white Carrara marble from Italy. It was designed in 1989 by a Danish architect Otto van Spreckelsen in the two-hundredth anniversary of 1789 French Revolution. It is a skyscraper, and a government office building. It is located in the business district of Paris, France, and is also known as "La Défense".