Willis Tower: Constructed back in 1970, the Willis Tower is the tallest skyscraper of Chicago. This 108 storeyed black-banded building happens to be the second tallest building of the USA.
2. Trinity Church: Lying in the Back Bay of Boston and established in the 1870s, the Trinity Church is a gorgeous Romanesque, rough-stone cathedral.
3. Brooklyn Bridge: Constructed between the years of 1869 and 1883, the stunning Brooklyn Bridge features one of the most intelligent and intricate use of engineering techniques. Stretching from Brooklyn to Manhattan, this bridge is often found in every USA travel package.
4. Independence Hall: Located in Philadelphia, the majestic Independence Hall is the place where the country’s Declaration of Independence was debated and the constitution was adopted. The construction of this Georgian-style building was completed back in 1753.
5. Golden Gate Bridge: Established back in 1937, the Golden Gate Bridge of San Francisco is open for pedestrians as well as vehicles. Though it has been surpassed by many other buildings in recent times, this suspension bridge was once the tallest and longest bridge in the entire world.
6. Washington Monument: The 554 feet tall stone structure of the Washington Monument is the tallest obelisk in the world. The construction of this building started in 1848 and was completed in 1884, taking a whopping 36 years.