Houston Astrodome, 8400 Kirby Drive, Houston, Harris County, TX
Significance: Originally called the Harris County Domed Stadium, the Astrodome was completed in 1964. Conceived as the home of the Houston Colts and Houston Oilers, it was termed by many as the Eighth Wonder of the World. It was the first time that a stadium was built for both baseball and football that was totally enclosed and fully air-conditioned. The building covers 9.14 acres of land. Circular in shape, the outer diameter of the Astrodome is 710' and the clear span of the dome roof is 642'.
Survey number: HAER TX-108
Building/structure dates: 1964 Initial Construction