Share this tour
Offered languages
- German
- English
- French
- Spanish
Madrid's grandest mile runs from a palace that's actually a post office to a glass palace that was built for plants — and this trail connects them one riddle at a time.
This app-led scavenger hunt takes you through Madrid on foot, using phone-based riddles to guide you from one landmark to the next. No guide, no fixed start time.
• Size up the Palacio de Cibeles, the cathedral-like former post office on Madrid's most famous plaza
• Wander into the Parque del Retiro, the city's great green escape
• Find the Palacio de Cristal, a Victorian greenhouse turned art space by the lake
Around 2 hours, any group size, available in Spanish, English, French, and German.
By the finish, the showpiece side of Madrid will feel less like a postcard and more like a place you've figured out.
What's Included
Meeting and pickup
→ Book 1 ticket for each participant → You get one game code per booking by text or Viator message → Download the Explorial App from your app store → Open the app and enter provided game code (6 digits) → All particpants join the game with same game code
What to expect
First up is the Palacio de Cibeles, the wedding-cake palace that was built for postal workers, not kings — its spires and sculptures hold answers to the opening riddles.
Then the trail slips into the Parque del Retiro, once the private garden of Spanish monarchs, where clues lead you along shaded avenues rather than tourist queues.
Deep in the park waits the Palacio de Cristal, an 1887 glass pavilion raised for exotic plants from the Philippines — now a luminous exhibition space and a favourite photo task.
Around 2 hours total, with plenty of park benches when you want a break. By the end, Madrid's grand axis will have turned from backdrop into playground.
Additional info
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Max 15 people per booking. For larger groups, make multiple bookings.
- After booking you receive a text message and a Viator message with your game code. Download the Explorial app from your appstore. Open the app, enter your 6 digit game code
- Weather & Health Guarantee: If bad weather or illness prevents you from starting the tour, you can simply reschedule it for another day. You can also rebook to a different city or request a refund
Additional info
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Max 15 people per booking. For larger groups, make multiple bookings.
- After booking you receive a text message and a Viator message with your game code. Download the Explorial app from your appstore. Open the app, enter your 6 digit game code
- Weather & Health Guarantee: If bad weather or illness prevents you from starting the tour, you can simply reschedule it for another day. You can also rebook to a different city or request a refund
- Smartphone required: Bring your own fully charged smartphone with an active mobile data connection to the start of the tour. Please disable any VPN and avoid city Wi-Fi, as these will cause the app to malfunction or disconnect.
- Recommended attire: It’s best to wear weather-appropriate clothing and comfortable walking shoes — approx. 2 hours of light walking
Tags
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Cancellation Policy
- For a full refund, you must cancel at least 24 hours before the experience’s start time.
- If you cancel less than 24 hours before the experience’s start time, the amount you paid will not be refunded.
- Any changes made less than 24 hours before the experience’s start time will not be accepted.
Rating
You can cancel up to 24 hours in advance of the experience for a full refund.
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