Your father vanished at sea a decade ago, leaving only a cryptic letter inside an old book. Now you've returned to Amsterdam, searching for three legendary diamonds and a woman known only as Lady H.

Follow clues through 9 historic locations, from the Weeping Tower where sailors' wives said farewell, to Rembrandt's house, the Dutch East India Company headquarters, and into the Red Light District. Decode ciphers, track down captains, and piece together what really happened.

Download the Questo app, activate your quest with the booking code, and start playing when you reach Amsterdam Central Station. No guide, no schedule, explore at your own pace.

You'll discover stories most visitors miss: how Henry Hudson sailed from here to discover New York, why locals call the Montelbaanstoren "Mad Jaap," and a secret church hidden inside an attic.

Perfect for couples, friends, or families. About 55 minutes, 9 stops through Amsterdam's historic center.

Amsterdam Treasure Mystery: The Sailor's Lost Diamonds