Yes the hoover Dam is one of the top 5 concrete structure in the world it is 700 feet tall and was built in the 1930s about 5 million cubic acres of water and was largest construction project ever in the U.S
The largest concrete structure in the U S is Grand Coulee Dam in Washington state. Not as tall as Hoover Dam, but it is 5223 feet across the top. Compared to 1244 feet for Hoover. Hoover Dam has a volume of 3,250,000 cubic yards. Grand Coulee has a volume of 11,975,520. Power generation, Grand Coulee is 7079 MW. Making it the sixth largest producer in the world. Hoover's production is 2050KW. Ranking it at 36 world wide.
New Cornelia Tailings of Pima County, Arizona is one of the largest mine tailings piles in the world: 7.4 billion cubic feet, the New Cornelia Tailings is often cited as the largest dam structure in the country, by volume (the tailings, waste material from the mining process, were heaped into a pile that created a holding structure for future tailings, some of which were deposited in a pumped slurry, thus the tailings pile is an "impoundment" or dam). The mine that produced the tailings, the 1.5 mile wide open pit New Cornelia Mine, is owned by Phelps Dodge, and is presently in limbo (shut down in 1983). A project to mine the tailings has been proposed. The next in size is the Fort Peck Dam, 21,430 ft (6,531 m) long and 250 ft (76 m) high, on the Missouri River, NE Mont.; one of the world's largest earth-filled dams.
The Boeing Plant in Everett, Washington uses 398,000 m2 or 4.3 million sq ft of area and 13.3 million m3 or 472 million cu ft.
Hoover Dam is the largest hydro electric dam in the world. This Is Totally Wrong. The Largest Hydro-Electric Dam In North America Is The Mighty Grand Coulee Dam In The State Of Washington Which Produces 3 Times The Megawatts As Hoover Dam. Grand Coulee Produces 6,809 megawatts And Hoover Dam Only 2,078 megawatts. The Mighty Grand Coulee Contains Nearly 12 Million Cubic Yars Of Concrete And Hoover Only 3,250,000 Cubic Yards. Grand Coulee Dam Contains In It's Third Powerhouse 3 Of The Worlds Largest Generators At 805 Megawatts Each. The Mighty Columbia River Flows 3 Times The Water As Does The Colorado. These Two Dams Are Not Even Close In Comparison.
the Washington monument
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The Walls of Benin.
Beaver dam
The Great Wall of China.
sociable weaver
Washington Monument