AstroWorld Houston: The History, the Rides, and What Remains

At a glance

• Era: 1968–2005 (37 seasons)
• Site today: Surface parking for NRG Park, near S. Loop 610 and Kirby Drive, Houston
• Original developer: Roy Hofheinz
• Peak attendance: More than 2 million visitors per year at its height

AstroWorld was a Six Flags theme park that operated in Houston from June 1, 1968 to October 30, 2005, on a 75-acre site southwest of the Astrodome along South Loop 610. At its height the park drew more than two million visitors a year and held one of the most varied coaster lineups of any regional park in the South. Today the site is a surface parking lot for NRG Park. Nothing has been built to replace it.

This is the history of what Houston had, where the rides went, and what you can still find.

How AstroWorld came to exist

Roy Hofheinz, the Houston mayor and entrepreneur who built the Astrodome, opened AstroWorld on June 1, 1968 as the anchor of what he called the “Astrodomain.” The concept was a destination campus: the Astrodome itself, the Astroarena (now NRG Arena), two hotel towers, a convention space, and the theme park, all clustered together along South Main Street. Hofheinz invested roughly $20 million in the original park and designed it around a futuristic space-age theme to match the Astrodome and to reflect Houston’s identity as a NASA town.

In 1975, Six Flags — then operating under Great Southwest Corporation — acquired the park. Over the following three decades, Six Flags added major coasters, expanded the water park section, and ran AstroWorld as one of its flagship properties. At its peak in the early 1990s the park operated more than 100 rides and attractions across six themed sections: Americana Square, Southern Star, European Festival, Coney Island, Rockville USA, and AstroWorld itself.

The rides that defined Houston summers

AstroWorld’s coaster lineup was exceptional for a regional park. These are the ones Houston still talks about.

Texas Cyclone opened in 1976 as a near-replica of the Cyclone at Coney Island in New York, built by Philadelphia Toboggan Coasters. Through most of the 1980s, enthusiasts ranked it among the finest wooden coasters in the country. After AstroWorld closed in October 2005, the Texas Cyclone was demolished in early 2006 — within months of the park's closure.

XLR-8 was an Arrow Dynamics suspended coaster that opened in 1984. Riders sat in cars that hung below the track and swung freely through banked curves — a sensation unlike anything else at a Texas park at the time, and a type of ride rare enough to draw visitors from across the region. When the park closed, the ride was dismantled.

Ultra Twister was a heartline coaster, a rare type in which cars travel through a tight vertical loop while rotating around the track’s own axis, producing a prolonged weightless sensation at the top. Only a handful of parks ever operated one. AstroWorld’s model had previously run at another Six Flags property before being relocated to Houston.

Greezed Lightnin’ was a Schwarzkopf shuttle loop coaster that launched its train forward and backward through a single vertical loop. Schwarzkopf built relatively few of this type worldwide. When the park closed, the ride was sold and relocated.

Rounding out the lineup: Viper (stand-up coaster), Batman The Escape (stand-up model), a mine train called Mayan Mindbender, and Serial Thriller, an inverted coaster added in the 1990s. Each was sold or demolished when the park closed.

Other Houston amusement parks that are gone

AstroWorld was the largest, but not the only, amusement destination Houston has lost.

Playland Park preceded AstroWorld on South Main Street, operating from the late 1940s on land that was eventually absorbed into the greater NRG campus. It had a wooden roller coaster, a midway and a swimming pool, and served as Houston’s primary amusement destination before Hofheinz arrived with larger ambitions.

Waterworld, a water park adjacent to AstroWorld, opened in 1983 and was marketed separately for several seasons before Six Flags incorporated it into the main park as Hurricane Harbor at AstroWorld. Today the Houston area has several successor water parks, none on the AstroWorld site.

Peppermint Park was a smaller family amusement park in northwest Houston popular through the 1970s and into the 1980s, remembered for kiddie rides and birthday parties. No rides from Peppermint Park survived.

Why the park closed in 2005

Six Flags announced in early 2005 that it would not renew the lease on the AstroWorld property when it expired that year. The company was under severe financial pressure that would eventually lead it to file for Chapter 11 bankruptcy protection in 2009. At the same time, the land under AstroWorld had become more valuable as a development site than the park was generating in revenue. The lease expired, the two sides could not reach agreement, and the park’s last day was October 30, 2005.

Attendance at the final day was among the highest the park had seen in years. Rides were auctioned and shipped worldwide, structures were demolished, and the site was cleared. The closure was a regional news event: Houston had lost one of the anchors of its suburban leisure culture without any replacement in sight.

What stands at the site today

The 75-acre former AstroWorld property sits immediately southwest of NRG Stadium, bounded roughly by South Loop 610 to the north and Kirby Drive to the east. On non-event days it is an empty surface lot. On Houston Texans game days and during the Houston Livestock Show and Rodeo, it fills with cars.

The Astrodome, the building Roy Hofheinz built in 1965 — three years before AstroWorld opened — still stands on the northeast side of the NRG campus and is undergoing redevelopment as an indoor public park and event venue. It is the last surviving structure of the original Astrodomain. The hotels are gone, the convention space was replaced, the arena was rebuilt, the theme park was demolished. Only the dome remains. Of everything Hofheinz built, that building is the record.

Efforts to redevelop the former AstroWorld land have been ongoing since the closure. No groundbreaking has occurred as of this writing.

Where you can find pieces of AstroWorld today

The NRG campus — The site of AstroWorld is accessible from the NRG Park areas during events. Standing in the south parking lot, you are on the former footprint. The Astrodome is visible from there.

Memorabilia — AstroWorld park maps, merchandise, signage and occasional ride vehicles appear at Houston-area antique markets and in online collector communities. Vintage park maps from the 1980s give the clearest picture of the layout. The fan preservation community that documents the park through photographs and firsthand accounts has assembled a more complete archive than any formal institution.

*Travis Scott’s Astroworld album (2018)* — The Houston rapper named his third studio album after the park he grew up near. The opening track samples the park’s original recorded jingle. The album introduced the name to a global audience and revived national conversation about what Houston lost.

Save this: AstroWorld memory checklist

• Drive the perimeter. Take Kirby Drive south from Greenbriar, cross South Loop 610, and circle the NRG campus. The former park’s footprint is south of the stadium.
• Look for the Astrodome. The original dome from 1965 is on the northeast side of the NRG campus, clearly visible from the parking areas.
• Find a 1980s park map. It shows the layout at peak — six themed sections, more than a dozen coasters and thrill rides.
• Watch the 1968 opening footage. Roy Hofheinz narrating the opening of his $20 million theme park is available online.
• *Listen to Astroworld (2018).* Track 1 opens with the original park jingle.

Last verified: October 2026.

Frequently asked questions

When did AstroWorld open and close?

AstroWorld opened on June 1, 1968 and closed on October 30, 2005, operating for 37 seasons in Houston.

Why did Six Flags close AstroWorld?

Six Flags did not renew the lease on the property when it expired in 2005. The company was under financial pressure — it filed for Chapter 11 bankruptcy in 2009 — and the land had become more valuable as real estate than the park was generating in revenue.

What is at the AstroWorld site today?

The former 75-acre site, southwest of NRG Stadium near South Loop 610 and Kirby Drive, is now surface parking for NRG Park. No replacement park or permanent development has been built.

Can you still ride any AstroWorld rides?

Several rides were sold to other parks after the 2005 closure, but no surviving AstroWorld ride has been publicly confirmed under its original name at an accessible venue. The Texas Cyclone, one of the most beloved, was demolished in 2006.

What happened to the Texas Cyclone roller coaster?

The Texas Cyclone, a wooden coaster at AstroWorld widely rated among the best in the country during the 1980s, was demolished in early 2006 — within months of the park closing in October 2005.

Who built AstroWorld?

Roy Hofheinz, the Houston mayor and entrepreneur who also built the Astrodome, developed AstroWorld as part of his “Astrodomain” complex. He opened the park on June 1, 1968.