what "eighth wonder of the world location hosted a boxing match between Ali amd Mathis?
Muhammad Ali vs. Buster Mathis: Muhammad Ali and Buster Mathis fought each other in a twelve-round boxing match at the Astrodome in Houston on November 17, 1971. Astrodome: The NRG Astrodome, also known as the Houston Astrodome or simply The Astrodome, is the world's first multi-purpose, domed sports stadium, located in Houston, Texas. Astrodome:  When opened, it was named the Harris County Domed Stadium and was nicknamed the "Eighth Wonder of the World".
The Astrodome