As the nation's oldest aquatrium, there's plenty to see, especially at the 2pm with daily animal feedings. -- Green Guide Editor
The Washington Monument was formally dedicated on February 22, 1885, and at the time of its construction, it was the tallest building in the world; it remains the tallest stone structure in the world.
The bells ring every quarter-hour, although the best time to visit is undoubtedly the Fourth of July, when the bells ring to the tune of the Star Spangled Banner at 2PM.
