The Washington Monument is a towering obelisk in Washington, D.C., which honors the first president of the United States, George Washington. The monument is made of white marble, granite, and sandstone. It is 555 feet (169 meters) tall and has a base diameter of 55 feet (17 meters). The walls are 15 feet (4.5 meters) thick at the base and taper to 18 inches (0.5 meters) at the top.
The interior of the Washington Monument is hollow, and there are 500 steps that lead to the top of the monument. The steps are made of marble and are 6 inches (15 centimeters) high and 12 inches (30 centimeters) wide. There are also two elevators that can take visitors to the top of the monument.
The walls of the interior are lined with 193 stones that were contributed by states, cities, and organizations from around the world. Each stone is engraved with the name of the donor. There are also two large bronze statues of George Washington, one at the base of the monument and one at the top.
The top of the Washington Monument offers stunning views of Washington, D.C., and the surrounding area. Visitors can see the National Mall, the Lincoln Memorial, the Jefferson Memorial, and the Capitol Building.
The Washington Monument is a popular tourist destination, and over one million people visit the monument each year. It is a symbol of American history and a tribute to one of the most important figures in American history.