The Capitol Building is a symbol of American democracy, located on Capitol Hill in Washington, D.C.. It houses the chambers of the United States Congress, where the Senate and House of Representatives meet to discuss and pass legislation. Its iconic dome and neoclassical design make it a prominent feature of the U.S. skyline. Constructed in the late 18th century, the Capitol Building has undergone several renovations and expansions. It is not only a working government building but also a popular tourist destination, attracting millions of visitors each year who come to learn about the legislative process and the history of the United States.