1. Channel Tunnel: The tunnel has a very fast passenger trains.
2. CN Tower: The CN Tower is one of the tallest towers in the world.
3. Willis Tower: The Willis Tower is the eighth tallest tower in the world.
4. Golden Gate Bridge: The Golden Gate Bridge is one of the most recognized symbols in San Fransisco.
5. Itaipu Dam: 75% of it is on Paraguay and 17% is on Brazil.
6. Panama Canal: It is a ship canal that is connected to the Atlantic Ocean.
7. Netherlands North Sea Protection Works: It is a 19 mile long enclosure dam.