After more than a quarter century of thrills and fun, Six Flags America and Hurricane Harbor in the Maryland suburbs of Washington, D.C., will close at the end of this season.

Six Flags has hung a For Sale sign in front of two parks in the D.C. area and is looking to sell more of the 42 locations in the amusement park chain.

The nearly 500-acre site that houses Six Flags and the Hurricane Harbor water park will be sold for redevelopment. The company cited its long-term business outlook in the decision