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Pasadena Spy Quest: Stop the Bomb (Einstein & Caltech), United States

Los Angeles County Pasadena, 91101

It's your first day as a janitor at Caltech when you stumble into an abandoned lab and press a large red button. A handwritten note appears: a nuclear bomb h…

Cancellation policy

Review the supplier policy below before booking.

Duration 1h 25m

Duration supplied by the experience provider.

Language

English

Group size

1–10 travelers

Full description

It's your first day as a janitor at Caltech when you stumble into an abandoned lab and press a large red button. A handwritten note appears: a nuclear bomb has been armed and eight devices are hidden across Pasadena to disarm it. You have no choice but to run.

This self-guided spy mission takes you on an 86-minute adventure through Old Town Pasadena. Using the Questo app on your smartphone, you decode secret messages, crack clues at historic landmarks, and follow a conspiracy connecting Caltech physicists, the Manhattan Project, and Albert Einstein.

Chase the trail from Vroman's Bookstore to the Pasadena Playhouse, through hidden cobblestone alleys and past City Hall, all the way to a famous mural of Einstein on his bicycle.

Start whenever you like and play entirely at your own pace across 3 kilometres of Pasadena's most storied streets.

Perfect for curious explorers, couples, and families. No prior knowledge of history needed, just a sharp mind and a sense of urgency.

Itinerary

You will begin at Vroman’s Bookstore. Here you will be given your first clue to solve the challenge that awaits you, which will unlock the next part of the story and give you the directions to the next stop.

You will be given a new clue to solve the challenge that awaits you at Pasadena Star-News Building. You can stop for as long as you like and continue exploring at your own pace.

You will be given a new clue to solve the challenge that awaits you at Pacific Asia Museum. You can stop for as long as you like and continue exploring at your own pace.

You will be given a new clue to solve the challenge that awaits you at Pasadena City Hall. You can stop for as long as you like and continue exploring at your own pace.

You will be given a new clue to solve the challenge that awaits you at Legge Alley. You can stop for as long as you like and continue exploring at your own pace.

You will be given a new clue to solve the challenge that awaits you at Russell’s. You can stop for as long as you like and continue exploring at your own pace.

You will finish at Pasadena Memorial Park. Here is where both the story and the city exploration games end.

What’s included

Included

  • Guide
  • Self-guided nuclear thriller puzzle adventure through Old Town Pasadena
  • Interactive puzzles: code-breaking, observation, logic, wordplay at real landmarks
  • Story-driven clues connected to Caltech, the Manhattan Project, and 1930s Pasadena
  • Fascinating facts about Pasadena history, food, film locations, and hidden gems
  • Flexible scheduling, available all day, every day of the week
  • Team play or solo on one booking

Not included

  • Live tour guide (self-guided via the Questo app)

Important information

Meeting point

Los Angeles County Pasadena, 91101

Don’t forget

Not wheelchair accessibleInfants must not sit on lapsInfant seats unavailable• Unlock your city game in the Questo app using this link: • Download the Questo app using this link (it’s free): onelink.to/questo • Head to the starting point and enjoy your city game!

Cancellation policy

Standard Viator policy 0% charge if cancelled within 24000 hours of start. 100% charge if cancelled within 24 hours of start.

Your host

VE

Verified Local Host

With GetExperience since 2026

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