4
The Golden Gate Bridge
3
A Capitol Dream
4
U.S.S. Arizona Memorial at Pearl Harbor
4
Niagara Falls
2
US Landmarks
4
Hoover Dam
4
Gateway Arch
4
The Space Needle
4
The Willis Tower
4
The White House
4
Yellowstone National Park
4
The Statue of Liberty
4
The Mississippi River
4
Washington Monument
4
Landmarks of the United States
4
Mount Rushmore
4
Grand Canyon