Famous Dams of the World
1 / 15Which U.S. dam disaster in 1889 killed over 2,200 people when it failed above Johnstown, Pennsylvania?
About Famous Dams of the World
Test your knowledge of the world's most impressive dams and hydroelectric projects! This free general knowledge activity is built for older adults who want clear, readable browser-based games without sign-up friction.
General knowledge games mix recall, reasoning, and pattern recognition to keep each round varied and mentally engaging. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About Famous Dams of the World
Famous Dams of the World is a free general knowledge quiz with 15 multiple-choice questions with a mix of 6 hard, 5 medium, 4 easy questions. Test your knowledge of the world's most impressive dams and hydroelectric projects! A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. Which dam on the Colorado River was completed in 1936 and was the world's largest concrete structure at the time?
Answer: Hoover Dam
Hoover Dam, located on the border of Nevada and Arizona, was completed in 1936. It was named after President Herbert Hoover and was the world's tallest dam and largest hydroelectric facility at the time.
2. The Three Gorges Dam, the world's largest power station by installed capacity, is located on which river?
Answer: Yangtze River
The Three Gorges Dam spans the Yangtze River in Hubei province, China. Completed in 2006, it has an installed capacity of 22,500 MW, making it the world's largest hydroelectric power station.
3. The Aswan High Dam, completed in 1970, created which massive artificial lake?
Answer: Lake Nasser
The Aswan High Dam on the Nile River in Egypt created Lake Nasser, one of the world's largest artificial lakes. The reservoir extends about 550 km, with part of it reaching into Sudan.
Frequently asked questions
How many questions are in Famous Dams of the World?
Famous Dams of the World has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Famous Dams of the World free to play?
Yes. The entire SeniorBrainGames catalog — including Famous Dams of the World — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Famous Dams of the World take?
Most players finish Famous Dams of the World in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Famous Dams of the World?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.