It also includes the world's largest roofed baseball stadium, known as Tokyo Dome (AKA "Big Egg"); an amusement park known as Tokyo Dome City Attractions (formerly Kōrakuen Yūenchi); and Korakuen Hall. In May 2003, a spa resort known as LaQua opened for business near Tokyo Dome City Attractions. It also hosts character shows for Toei Company's Toei Superheroes, including the Kamen Rider and Super Sentai series (the Tokyo Dome Corporation is the Super Sentai series' main sponsor).
The Tokyo Dome City contains the Tokyo Dome Hotel, a 43-story hotel that is easy to spot from the street and from the Tokyo Subway Suidobashi Station, which is only two blocks away.