Which is the best aquarium in Japan? We compare Sumida, Osaka Kaiyukan and Churaumi from first-hand visits, including prices, routes, highlights and welfare concerns.

Is Sumida Aquarium worth visiting? Our first-hand Tokyo review covers penguins, jellyfish, ticket prices, time needed, Skytree planning and welfare concerns.

Which Japanese castle should you visit? We compare Himeji, Matsumoto, Osaka, Kanazawa, Shuri and Zakimi by history, price and experience.

Is Kanazawa Castle worth visiting? Our first-hand guide covers the free park, paid interiors, current prices, opening hours, highlights and how it compares with Kenroku-en.

Are Zakimi Castle Ruins worth visiting? Our first-hand Okinawa guide covers free entry, parking, opening hours, views, access and what to expect.