Houston Astros fans are rocking at Minute Maid Park... and there isn't even any baseball being played in the building.

The biggest World Series watch party in Houston is at the home of the Astros and they've been sold out for both Game 6 and Game 7 as fans gather hoping to watch their team bring home their first championship.

The raucous crowds are watching the Astros play on the jumbotron and living and dying with every pitch, and going crazy every time the Astros score.

Watch how the crowd reacted after George Springer hit a two-run homer in the second inning, part of a three-run frame to put Houston up 5-0 in Game 7: