1: 1. The Hoover Dam was completed in 1935. 2. It is located on the border of Nevada and Arizona. 3. The dam is 726 feet tall.

2: 4. The dam was built during the Great Depression. 5. It creates Lake Mead, the largest reservoir in the US. 6. The construction of the dam took 5 years.

3: 7. The dam provides water and electricity to millions. 8. It was named after President Herbert Hoover. 9. More than 100 workers lost their lives during construction.

4: 10. The Hoover Dam attracts millions of visitors each year. 11. It was once the tallest dam in the world. 12. The dam's construction required over 3 million cubic yards of concrete.

5: 13. The Hoover Dam is a National Historic Landmark. 14. It is a popular filming location for movies and TV shows. 15. The Hoover Dam bypass bridge was completed in 2010.

6: 16. The dam's construction helped stabilize the economy. 17. It was originally called the Boulder Dam. 18. The Hoover Dam is a marvel of engineering.

7: 19. The dam controls the flow of the Colorado River. 20. It took over 21,000 workers to build the dam. 21. The dam's artwork and sculptures are worth a visit.

8: 22. The Hoover Dam is an iconic American landmark. 23. Its turbines can generate over 4 billion kilowatt-hours of electricity annually. 24. The dam's construction cost over $49 million.

9: 25. The concrete used in the dam would be enough to build a highway from San Francisco to New York. 26. The Hoover Dam was designated a National Historic Civil Engineering Landmark. 27. The dam provides irrigation water to over 1 million acres of land.