Acadia National Park, Maine
Death Valley National Park, California & Nevada
Yosemite National Park, California
Alcatraz Island, California
Mississippi National River & Recreation Area, Minnesota
Gateway Arch, Missouri
Glacier National Park, Montana
Vanderbilt Mansion National Historic Site, New York
Statue of Liberty National Monument, New York
Dayton Aviation Heritage National Historical Park, Ohio
Oklahoma City National Memorial, Oklahoma
Crater Lake National Park, Oregon
Gettysburg National Military Park, Pennsylvania
Badlands National Park, South Dakota
San Antonio Missions National Historical Park, Texas
Arches National Park, Utah
Washington Monument, District of Columbia
Dinosaur National Monument, Colorado & Utah