Short answers, pulled from the story.
The Ghibli Museum is located in Inokashira Park in Mitaka, a western city within the Tokyo Metropolitan Area, and it opened on the 1st of October 2001 after planning began in 1998 and construction started in March 2000.
Director Hayao Miyazaki designed the Ghibli Museum himself using storyboards similar to those he creates for his films, drawing heavy influence from European architecture such as the hilltop village of Calcata in Italy.
The Saturn Theater at the Ghibli Museum shows one of several exclusive Ghibli short films that are not available elsewhere, including works that are also screened at the Cinema Orion in the Grand Warehouse section of Ghibli Park in Nagakute.
Tri Hawks is a reading room and bookstore in the Ghibli Museum that opened on the 6th of February 2002, and the name comes from a translation of Mitaka, the city where the museum is located, which means three hawks.
Tickets to the Ghibli Museum are only accepted if bought in advance, with prices ranging from ¥1,000 for adults to ¥700 for 13, 18-year-olds, ¥400 for 7, 12-year-olds, and ¥100 for 4, 6-year-olds, with younger children entering the museum for free.
The Ghibli Museum hosted special exhibitions that showcased work from other studios, including a 2003, 2004 exhibition of works by the Russian animator Yuri Norstein and a 2004, 2005 exhibition featuring Pixar Animation Studios, followed by a 2006, 2007 focus on Aardman Studios and a 2007, 2008 presentation of a version of War and Peace based on a picture book by Leo Tolstoy.