It's about as heavy as The Great Pyramid of Giza
It's about seven-and-a-half times as heavy as The Golden Gate Bridge
In other words, the weight of The Golden Gate Bridge is 0.1350 times 210,000,000,000 ounces.(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 28,400,000,000 ounces. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
It's about eighteen times as heavy as The Empire State Building
It's about thirty times as heavy as The Sears Tower
In other words, 210,000,000,000 ounces is 29.50 times the weight of The Sears Tower, and the weight of The Sears Tower is 0.0339 times that amount.(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 7,118,000,000 ounces. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
It's about 50 times as heavy as The CN Tower
In other words, 210,000,000,000 ounces is 50.4910 times the weight of The CN Tower, and the weight of The CN Tower is 0.019806 times that amount.(a.k.a. La Tour CN, a.k.a. Canadian National Tower, a.k.a. Canada's National Tower) (Toronto, Canada)
The CN Tower weighs approximately 4,159,200,000 ounces. The Tower is home to the world's highest glass floor — a viewing area that allows visitors to look straight down 342 m (1,120 ft) to the ground below.
It's about 250 times as heavy as The Statue of Liberty
In other words, 210,000,000,000 ounces is 242 times the weight of The Statue of Liberty, and the weight of The Statue of Liberty is 0.00413 times that amount.(a.k.a. Liberty Enlightening the World, a.k.a. La Liberté éclairant le monde) (total weight, including foundation)
The total weight of the Statue of Liberty, including her base is roughly 868,000,000 ounces. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about 450 times as heavy as The Brooklyn Bridge
In other words, 210,000,000,000 ounces is 447 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 0.002237 times that amount.(a.k.a. New York and Brooklyn Bridge) (Manhattan and Brooklyn, New York City, New York) (total weight)
The total weight of the Brooklyn Bridge is approximately 469,800,000 ounces. In a promotional event to prove the bridge's stability shortly after it opened, entertainer P. T. Barnum led a parade of 21 elephants across it in May of 1884.