3. Washington DC’s Lincoln Memorial
– approximately 7.14 million visitors in 2014, according to Statista.
The statue of the renowned president who led the United States through the Civil War is the most frequently-visited presidential monument in the states. It is 19 feet high and sits inside a marble building with flights of elegant stairs leading up to it. This work of art crafted by Daniel Chester French was also where Dr. Martin Luther King gave his famous “I Have a Dream” speech.