Complex sentence: The Las Vegas park was closed by the landowners, Archon Corporation in September 2004 to make way for a proposed casino megaresort, the Garland park was closed in 1993 while the Arlington park was purchased by Six Flags over Texas and rechristened Six Flags Hurricane Harbor.
Split into simpler sentences: The Las Vegas park was closed by the landowners, Archon Corporation in September 2004 to make way for a proposed casino megaresort. The Garland park was closed in 1993, while the Arlington park was purchased by Six Flags over Texas and rechristened Six Flags Hurricane Harbor.