Photo: Mnd, CC BY-SA 3.0 via Wikimedia Commons
Only a short trip east of the city, this 14th century temple is another of the few structures in the area to have survived the atomic blast. The Main Hall is an impressive sight, and both the bell tower and the two-story gate are regarded as cultural treasures.
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マツダミュージアム
Mazda's corporate headquarters are a short distance outside of Hiroshima. The tour is a must for any automobile fan, but if you have any serious technical questions, then you should go on the Japanese tour and bring along your own interpreter, as there's less detail on the English tour. Highlights include the Mazda Cosmos (the world's first car with a rotary engine) and the 4-Rotor Mazda 787B, which is the only Japanese car to win at Le Mans. From there you will be taken to their Ujina plant and the actual assembly line, with a look at some of their concept vehicles. From JR Hiroshima Station, take the San'yo Line in the direction of Saijō or Mihara to JR Mukainada Station (two stops); cross the rails and exit through the south exit. From the train station exit, head straight on the street a little to the right of the exit until you see the confusingly labelled pharmacy, called "Zoom-Zoom". Head down the stairs opposite Zoom Zoom into an underpass and you'll exit in the Mazda Admin building's parking lot.
The much-beloved and much-bemoaned Carp are Hiroshima's entry in the Central League of Nippon Professional Baseball. After more than fifty years in a stadium across the street from the Peace Park, the Carp moved to the new Mazda Zoom Zoom Stadium in 2009. While the team doesn't win much, the enthusiasm of the fans can hardly be faulted, and Hiroshima is as good a place as any to witness the fervor of Japanese baseball fandom. Tickets range from ¥1800 to ¥3500. Ask for the Carp Performance (カープ パフォーマンス) tickets — that's where the drums, chants, and excitement are. Tickets are sold at the stadium starting at 10:00, the "Green Window" at JR Hiroshima Station, and a number of convenience stores.
半べえ
If you want to take an onsen in Hiroshima, this hotel, restaurant, garden and onsen isn't bad. They have a good range of baths including a variety with jets, a "lap walking" bath, and a small outdoor area and a sauna. Not too remarkable as onsen go, but nice enough.
広島市立まんが図書館
Around the corner from the Museum of Contemporary Art (below). The vast majority of the manga are in Japanese, of course, but they do have a selection of Western superhero comics.
広島市現代美術館
Probably the most deserving of a visit among Hiroshima's art museums. There are a few famous Western names in its collection, including Andy Warhol and Frank Stella, but the real focus is on interesting modern Japanese artists working in their own styles, and the exhibition designers make creative use of the museum space. Special exhibitions cost extra. There is a sculpture garden outside that can be visited for free, and a decent city-view from the plaza near the museum's front steps.
比治山公園
A huge park to the south of JR Hiroshima Station, between two branches of the river. (Follow Ekimae-dori from the station to the southeast, and you'll walk directly into it.) There are the usual areas for sitting in the sun (and rather a lot of stray cats), but much of the park remains refreshingly undeveloped forest, save for a futuristic tunnel to SATY, a neighboring shopping complex and movie theater.