Bunker Hill Monument was the first public obelisk in the United States. The Battle of Bunker Hill was the first major conflict of the American Revolutionary war. The monument stands 221 feet tall, and it takes 294 steps to get to the top. This growth chart is made of sturdy cardboard to last for years. It has metal grommets at the top to ensure that it will stay where you hang it. It measures in inches and centimeters, and ranges from twenty-four inches (sixty-one centimeters) to sixty-one and a half inches (156 cm).