16 American Landmarks That Lost Their Luster

1. Salton Sea, California - Struggles with increasing salinity and pollution.

1. Route 66, Various States - Many sections are abandoned or overshadowed by modern highways.

1. Mall of America, Minnesota - Faces declining interest with the rise of online shopping.

1. Freedomland U.S.A., New York - Closed in 1964 and largely forgotten.

1. Coney Island, New York - Economic struggles and competition have dimmed its shine.

1. Alcatraz Island, California - Interest has waned as the facility aged.

1. Mount Rushmore, South Dakota - Faces criticism over historical context and environmental concerns.

1. Detroit, Michigan - Decline in some areas has affected its landmarks.

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