Sign in with your Apple ID to explore the map and save your visits — the same account you'll use in the iOS app. It's free.
These are only steps apart — GPS can't tell them apart. Which are you standing at?
As you reach each stop, the story plays itself. Use “Simulate walk” to preview it, or “My location” if you're really in San Francisco.
You walked the most haunted square mile in America. Keep watching the upper windows.