Abandoned roller coaster at Lincoln Park in Dartmouth, Massachusets. About its decline: The park was successful until the mid-1980s, when larger theme parks started to become more popular. A fatal accident on the park's 1946 "Comet" wooden roller coaster in 1986 caused people to question the safety of the park. Facing declining attendance, Jay Hoffman, the park's owner, invested $75,000 in updating the park. This plan included moving the park's 1921 carousel to Battleship Cove, and dismant...