It’s fitting that the most prominent structure in our nation’s capital is a memorial to the most famous of our Founding Fathers: George Washington. Located on the National Mall, this marble obelisk rises nearly 555.5 feet and is the tallest stone structure in the world. Construction began in 1848, with its cornerstone-laying ceremony taking place on July 4. Though currently closed for repairs due to damage sustained from a 5.8-magnitude earthquake in 2011, the Washington Monument still stands tall, surrounded by 50 US flags, one for each state in the nation.
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