Washington Monument
The Great Wall of China.
the Washington Monument
the Washington monument
Grande Dixence Dam
Nagarjun Sagar Dam is the largest masonry dam of the world built across the river Krishna in Nalgonda district of Andhra Pradesh in India.
Philadelphia City Hall!!
There is no largest building in the world in Washington. If you're looking for the largest building in the world, that would be the Burj Khalifa.
The Washington Monument
I believe the world's largest museum is the Smithsonian, located in Washington D.C.
The Smithsonian in Washington, DC
shield volcano
The Anaconda Smelter Stack in Anaconda Montana is 585 ft. high, and is constructed entirely of unreinforced bricks.