Originally used as a venue for the 1964 Olympics, the Metropolitan Gymnasium is still going strong thanks to a series of renovations.

Built on land once owned by Iemasa Tokugawa, the 17th head of the Tokugawa Shogunate, it is in a great spot close to Shinjuku Gyoen and plenty of transport links (not that he would have known that, but still). Thanks to this, the site now hosts large sporting events on a regular basis, including international championships for table tennis, wrestling, volleyball and figure skating.

Facilities are open to everyday users including a pool, training room and athletic field.

Other Shinjuku Attractions