Also known as Liberty Enlightening the World, the Statue of Liberty stands as a symbol of the United States. It marks the principles of democracy and freedom on which the country is based. Find out more in Statue of Liberty, a title in the Structural Wonders of the World series. Structural Wonders of the World is a series of AV2 media enhanced books. Each title in the series features easy-to-read text, stunning visuals, and a challenging educational activity. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities,.