Indoor stadiums are large, enclosed venues designed to host various events, including sports, concerts, and exhibitions. They provide a controlled environment, allowing for year-round activities regardless of weather conditions. Common features include seating for thousands of spectators, lighting systems, and sound equipment to enhance the experience. These stadiums often host professional sports teams, such as those in the NBA or NHL, and can also be used for community events and entertainment. Notable examples include the Madison Square Garden in New York and the United Center in Chicago, which are famous for their diverse range of events and significant cultural impact.