Houston is currently the largest U.S. city without a major theme park, a void left since the closure of Six Flags AstroWorld in 2005. The primary reason is economic: when AstroWorld closed, the land it sat on (near NRG Stadium) had become significantly more valuable for real estate development than for park operations. Today, the high cost of land within the city makes building a new park a massive financial risk. Additionally, Houston's extreme heat and humidity, combined with frequent heavy rain and hurricane risks, make year-round outdoor operations difficult and expensive to maintain. While smaller attractions like the Kemah Boardwalk and Galveston Island Pleasure Pier exist nearby, they lack the "destination" status of a major park. Experts often note that Houston is a "work hub" rather than a tourism-centric city like Orlando, though recent studies in 2025 and 2026 suggest high local demand might eventually entice new investors to look at cheaper land on the city's outskirts, such as in Katy or New Caney.