What are the three most popular natural attractions in the United States?

The three most popular natural attractions in the United States are:

1. The Grand Canyon (Arizona)
2. Yellowstone National Park (Wyoming)
3. Niagara Falls (New York)

Has New York always been the nation’s most populous city? Yes, at least since 1800. At that time, Philadelphia and Baltimore were the second and third-largest cities. Census estimates for 1986 placed Los Angeles and Chicago, respectively, in those ranks.
Which age group in the United States has the highest voter turnout? According to 1980 census findings, citizens in the 55 64 age group had a turnout of 71.3 percent. Close behind were those in the 65-to-74 age group, with 69.3 percent. Those 18 and…
Where did Michael Milken go to college? The insider stock trader Michael Milken who became the symbol of 1980s greed graduated from the University of California at Berkeley, symbol of 1960s activism, in 1968.
Who took the lead parts in The King and I (1956)? Deborah Kerr and Yul Brynner had the lead parts in The King and I (1956). Brynner won an Oscar.
Who played Marilyn Monroe in the screen biography Goodbye, Norma Jean (1975)? Misty Rowe played Marilyn Monroe in the screen biography Goodbye, Norma Jean (1975). The title refers to Monroe's real name, Norma Jean Baker.
What books comprise John Galsworthy’s The Forsyte Saga? Three novels comprise John Galsworthy's The Forsyte Saga: 1. The Man of Property (1906) 2. In Chancery (1920) 3. To Let (1921) and two "interludes": 1. Indian Summer of a Forsyte (1922) 2.…