The longest (and most expensive) bridge in the world when it opened in 1936, the Bay Bridge was first proposed by self-proclaimed "Emperor Norton I" in 1869.
The first African American church in Birmingham, this was the site of a bombing by the Ku Klux Klan on September 16, 1963, which killed four girls.
This is the first lighthouse established by the new territorial American Government in 1824. During WWII the Coast Guard trained in St. Augustine & used the lighthouse as a lookout for enemy vessels.
One of Chicago’s tallest buildings, this 100-story structure opened in 1970 and rises 1,127 feet above the ground.
This building, completed in the 1750s, is where the Declaration of Independence and the U.S. Constitution were deliberated and adopted.
This is home to a number of sites and attractions associated with early American history, including Independence Hall and the Liberty Bell.
