Did you know that the leaders of the United States have met in the Capitol Building for more than 200 years? Today, the Capitol serves as a workplace for the U.S. Congress. Discover more fascinating facts in Capitol Building, an American Icons book. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with embedded weblinks, audio and video clips, activities, and other features, such as a slide show, matching word activity, and quiz.