Six Flags Astroworld, located in Houston, Texas, closed down in 2005 after operating for 37 years. The closure of the amusement park was due to several factors, including declining attendance, high operating costs, and the park's inability to compete with newer, larger theme parks in the region.
It can cost upward of $700 million to build an amusement park, according to Speigel, who said a smaller-scale park in the $500 million range might be more suitable for Houston.
In 2012, Six Flags combined its 160-acre (65 ha) Great Adventure with its 350-acre (140 ha) Wild Safari animal park to form Six Flags Great Adventure & Safari park. At 510 acres (210 ha), it is the second-largest theme park in the world following Disney's Animal Kingdom.
In 1979, Six Flags purchased the park and added Six Flags to the park's name. With 20 roller coasters, Six Flags Magic Mountain holds the world record for most roller coasters in an amusement park.
Throngs flocked to Six Flags Over Texas when the park opened in 1961. Six themed sections, modeled after the culture of the six countries whose flags flew over Texas during the state's colorful history, created a spectacular and magical setting for guests — and provided the park's name.