The Yushukan is a significant museum located within the Yasukuni Shrine in Tokyo, Japan, established in 1882. It is known for its collection of artifacts related to Japan's military history, particularly from the Meiji Restoration to the end of World War II. The museum has been a subject of controversy due to its portrayal of Japan's wartime actions. Despite this, it stands as Japan's oldest war and military museum, offering a deep dive into the country's complex past.