KidZania Tokyo

Toyosu is new home of the world's largest wholesale market for seafood and produce after its relocation from Tsukiji. Unlike the old facility where tourists could almost walk up to the fish, Toyosu's market has large enclosed observation decks and dedicated paths for tourists to view the action, including the famous tuna auctions. However, early morning fish sales start before public transit opens, so take a taxi for those.

The largest Shintō hachiman shrine in Tokyo.

Indoor miniature world, including futuristic scenes.

Not the most famous of Tokyo's gardens, but is quite lovely and uncrowded. It was created in the Edo period, and took its present form during the Meiji Era, under the ownership of the founder of Mitsubishi. The ancient-looking pavilion was built in 1909 to host Lord Kitchener on his visit to Japan.

If you're visiting Tokyo on business, this, Japan's largest exhibition and convention center, might already be your destination. The four inverted pyramids are hard to miss and worth a look.

This intimate museum features a wonderfully recreated Tempo-period (1830-1843) neighbourhood - complete with homes, shops, narrow alleyways, and even the local rubbish dump. Wander about, peering in windows and entering buildings furnished with household goods and Edo-period bric-a-brac. Light and sound effects create the illusion of a whole day passing from day to night in the space of a few minutes. Pair it up with a visit to the huge Edo-Tokyo Museum in nearby Sumida ward, just a couple of stops away on the Toei Ōedo subway line.