National Art Center, Tokyo

or NACT is a museum in Roppongi, Minato, Tokyo, Japan.
NACT is a unique art museum. It does not have a permanent collection. Instead, it is a large for changing art exhibitions. NACT has 14,000 square meters of exhibition space and an Art Library. It also has educational programs. 
History.
The National Art Center building was completed in May 2006. Kisho Kurokawa was the architect.
The museum opened in 2007.