Two "teardrop" windows like this one are on a Victorian house in northern Pennsylvania. Have you ever seen anything like it?

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^{Photo © Forum Member "JoyALau"}

On July 4, folks in the United States celebrate Independence Day with fireworks, picnics, and parades. No matter where you live, the holiday is a good time to celebrate America's favorite architectural and engineering wonders.

• Empire State Building, with a spire for parking dirigibles
• Statue of Liberty, a gift from France
• The Washington Monument, inspired by ancient Egypt
• Sears Tower, tallest building in North America
• Golden Gate Bridge
, once the world's longest

^{Photo: Towering over Liberty Island in New York, the Statue of Liberty was a finalist in the campaign to choose the New 7 Wonders of the World. © 2000-2006 NewOpenWorld Foundation}