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Experience a Pasadena Spy Quest at Caltech - Help Stop the Bomb (Einstein & Caltech)

You begin your first day as a janitor at Caltech and, after pressing a large red button in an abandoned lab, a handwritten note tells you a nuclear bomb has been armed and eight devices hidden across Pasadena, so you have no choice but to run on an 86-minute, self-guided spy mission through Old Town Pasadena. Using the Questo app on your smartphone, you decode secret messages, crack clues at historic landmarks, and follow a conspiracy linking Caltech physicists, the Manhattan Project, and Albert Einstein as you chase the trail from Vroman's Bookstore to the Pasadena Playhouse, through hidden cobblestone alleys, past City Hall, and all the way to the famous mural of Einstein on his bicycle. Cover roughly 3 kilometres at your own pace, start whenever you like, and enjoy a perfectly paced adventure in Pasadena, California that’s ideal for curious explorers, couples, and families-no prior history knowledge required, just a sharp mind and a sense of urgency.

About this activity in Pasadena

Cancellation Policy
Cancellation Policy
Free cancellation.
Pet Policy
Pet Policy
Pets are allowed.

Highlights

  • Immerse yourself in an 86-minute self-guided spy mission through Old Town Pasadena, following a thrilling narrative that ties Caltech, the Manhattan Project, and Albert Einstein together.
  • Decode secret messages and solve clues using the Questo app on your smartphone as you explore iconic stops from Vroman's Bookstore to the Pasadena Playhouse.
  • Cover roughly 3 kilometres of Pasadena’s most storied streets, including hidden cobblestone alleys, City Hall, and the famous Einstein mural-play at your own pace and start whenever you like.
  • Perfect for curious explorers, couples, and families looking for an active, educational outdoor experience in the area-no prior history knowledge required.

Important Information

  • Self-guided experience: download and use the Questo app on your smartphone to access clues, maps, and story content throughout the route.
  • Duration and distance: expect about 86 minutes of gameplay over approximately 3 kilometres; you set the pace and can pause at any time.
  • Who it’s for: suitable for families, couples, and small groups; pets are allowed, so you can bring your dog while you explore the neighborhood.
  • Accessibility and requirements: you’ll be walking on historic streets and cobblestone alleys, so wear comfortable shoes and ensure your phone is charged for full navigation and puzzle play.

Meeting Point

This is a self-starting tour-begin outside Vroman's Bookstore in Old Town Pasadena and launch the experience in the Questo app when you’re ready.

Includes

  • You can bring pets to Events and stays in Pasadena, California - pets are allowed.
  • Pet-friendly option: this destination welcomes your pet when you book activities or accommodations here.
  • Ideal for travelers planning Events in the area who want to include their pet in their plans.

Excludes

  • There are no stated restrictions in the policy - pets are allowed.
  • Nothing in this policy excludes pets from Events or bookings in the region.
  • You will find pet access is part of the offering as written.

Other

  • Pets are allowed for bookings and Events in Pasadena, California - included as part of the policy.
  • This pet-friendly note signals you can plan Events in the area with your pet.
  • Use this information when searching Varoom listings for pet-accessible options in the region.

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Know more about Pasadena

You’ll explore 3 kilometres of Old Town Pasadena on an 86-minute self-guided tour that combines historic landmarks, cobblestone alleys, and iconic stops like Vroman’s Bookstore and the Pasadena Playhouse, making it a memorable sightseeing experience in Pasadena.
Absolutely - the immersive spy storyline, hidden alleys, and a scenic route that finishes at the famous Einstein mural create a playful and engaging date activity for romantic couples seeking something different in Pasadena.
No prior knowledge is required; the game explains clues as you go, so you can enjoy the conspiracy-driven storyline linking Caltech, the Manhattan Project, and Albert Einstein without any background in history.
Yes - the interactive, story-driven mission is family-friendly and designed for curious explorers of all ages; you decode clues and solve puzzles at your own pace, which works well for families and kids who enjoy hands-on adventures.
You’ll get a fast-paced, urgent narrative-disarming eight hidden devices across the city-while racing through historic streets and solving puzzles on the Questo app, delivering an adventurous, thrill-focused experience in Pasadena’s urban setting.
The mission is fully self-guided and start-anytime, so you control the pace across the 86-minute route; you can stop or linger at landmarks like Vroman’s Bookstore and the Pasadena Playhouse to suit your schedule.