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Math Detective

Read the clues in a photo, a shadow or a sun angle — and see how far honest evidence can take you, including where it stops.

• Coming soon

  Where Am I? — Visual Detective

  Curated photos of public places, solved from visible clues.

  I'd play this
• Coming soon

  Where Am I? — Sun & Shadows

  Use the sun's angle to narrow down a location.

  I'd play this
• Coming soon

  Shadow Geometry

  Height, shadow and sun angle, interactively.

  I'd play this
• Coming soon

  Geographic Clue Challenges

  Location mysteries built from mathematical clues.

  I'd play this
• Not available

  Photo Investigator

  Proposed paid feature. Not available.

  Gated on accuracy, privacy, cost research and payment authorization.