Six Flags America shut down permanently after 51 years of operation, ending its run at the 131-acre park in Bowie, Maryland.
The closure was announced in May, and on the final day, wait times exceeded two hours for popular attractions like the Superman: Ride Of Steel roller coaster, which experienced mechanical issues.
Fans expressed concern about the closure.
The park's closure marks the end of an era for the beloved amusement park.
Author's summary: Six Flags America closes after 51 years.