Stand on the site of Ishiyama Hongan-ji — the warrior-monk fortress that resisted Japan's greatest warlord for a decade before Osaka Castle replaced it.

Meet Toyotomi Hideyoshi — peasant's son, master of ambition, and architect of the castle you see today. His story is the key to everything that follows.

Inside the Honmaru, rebuild the vanished Toyotomi fortress using GPS historical maps. See what the Tokugawa buried beneath your feet — and why.

Stand on the site of the original Toyotomi keep, now buried under eleven metres of fill. Discover what the physical evidence tells us about the final hours of 1615.

The Yamazatomaru — the inner compound where the Toyotomi line ended in fire in 1615. The official story says suicide. The physical evidence raises questions that four centuries of official history have never fully answered.

The Aoyamon gate — the tour's emotional conclusion. This is where the official story of 1615 meets the version your historian hopes is true. Leave with the question that never quite closes.

Seasonal Garden Walk - Move between stops at a relaxed pace through Osaka Castle Park — one of the city's most beautiful green spaces, with seasonal photography opportunities throughout.