Step into medieval mystery and walk in the footsteps of emperors.
In Aachen, the imperial city of Charlemagne, legends still linger—and now it's your turn to chase one. You'll uncover clues hidden among historic cathedrals, narrow cobbled alleys, and atmospheric squares, all while following a gripping story inspired by the legendary ruler himself.
Solve 10 brain-teasing riddles at your own pace and unravel the tale of Charlemagne’s most precious lost possession. Whether you're a history buff, puzzle lover, or just looking for a unique way to explore, this experience blends storytelling, sightseeing, and smart gameplay into one immersive adventure.
It’s an interactive, flexible, and story-driven experience that lets you discover Aachen’s landmarks through puzzles, not pamphlets—perfect for those who love freedom, fun, and a dash of mystery.
This adventure is perfect for curious couples, families, and friends seeking a meaningful, memorable way to uncover Aachen’s secrets together.
A bubbling symbol of Aachen’s spa legacy, Elisenbrunnen has welcomed visitors for centuries with its healing thermal waters and elegant neoclassical design. Once favored by royalty and poets alike, this grand pavilion whispers stories of ancient baths and imperial retreats. In your Questo quest, you’ll follow clever clues through the city’s streets to uncover this iconic site. Once there, a riddle awaits—solve it to reveal a hidden tale behind the fountains, then continue your adventure deeper into Aachen’s historic heart. Ready to let the springs speak?
Majestic and mysterious, Aachen Cathedral is one of Europe’s oldest churches—and the final resting place of Charlemagne himself. A UNESCO World Heritage Site, its soaring octagonal chapel and glittering mosaics have awed pilgrims and emperors for over 1,200 years. On your Questo quest, clues will lead you through winding streets to this iconic landmark. There, you’ll crack a puzzle tied to its royal past, unlocking a secret hidden in stone and legend. With the mystery revealed, your journey through Aachen’s living history continues. Ready to enter the Emperor’s domain?
Whimsical and full of charm, Puppenbrunnen is a playful fountain tucked in Aachen’s old town, where bronze puppet-like figures move to tell tales of the city’s past—its professions, culture, and quirky character. It’s not just a fountain; it’s a snapshot of Aachen brought to life. As part of your Questo quest, you'll follow clues that guide you to this delightful spot. Once there, solve a riddle woven into its tiny details, uncover a story hiding in plain sight, and move on to your next mystery. Curious minds—this one’s for you!
Tucked away behind a modest façade, Aula Carolina holds centuries of secrets—it once housed a Jesuit college and now echoes with the layered history of learning, faith, and transformation. Step inside and you’ll find ancient walls whispering stories of Aachen’s intellectual and spiritual past. On your Questo quest, clues will guide you to this hidden gem. Here, a puzzle challenges you to piece together its forgotten tale. Solve it, unlock the mystery, and continue your journey through the city’s most storied corners. Ready to uncover what history left behind?
Once a medieval courtyard linked to Charlemagne’s imperial palace, Karlshof is now a peaceful square steeped in quiet history. Surrounded by quaint buildings and echoes of Aachen’s royal past, it offers a moment of calm where empires once stirred. As part of your Questo quest, you’ll follow intriguing clues through the city to find this tucked-away treasure. At Karlshof, a riddle rooted in the site’s forgotten legacy awaits. Solve it to uncover a hidden chapter of Aachen’s story—then set off toward your next discovery. Ready to trace the Emperor’s footsteps?
Towering over the heart of the city, Aachen City Hall is a Gothic masterpiece built atop Charlemagne’s original palace. For centuries, it hosted coronation banquets for kings and now stands as a symbol of imperial power and civic pride. In your Questo quest, you’ll unravel clues that guide you to this grand landmark. Once there, a clever puzzle draws you into its royal past—revealing a hidden story carved into its stones. With the mystery solved, your journey through Aachen’s storied streets continues. Ready to dine with history?
Crowned by a statue of Charlemagne himself, Karlsbrunnen is more than just a fountain—it’s a tribute to Aachen’s most legendary figure. Standing in the heart of the marketplace, it has watched centuries of trade, triumph, and tradition unfold around it. During your Questo quest, clues will lead you to this iconic spot. Here, a puzzle awaits, challenging you to decode symbols of imperial power and uncover a secret story hidden in plain sight. Solve it, and your adventure through Aachen’s living history flows on. Ready to meet the king?
To begin, make sure you've activated the quest using the instructions and link we sent by e-mail after purchase. Next, download the app, create and account, and head to the starting point at Elisenbrunnen. Once there, follow the app.
To unlock the experience in the Questo app, go to https://www.questoapp.com/unlock, and add your booking number and e-mail address. Then, download the Questo app and create a new account with the e-mail address you used for unlocking.
Cologne, located on the Rhine River, is known for its stunning Gothic cathedral, vibrant cultural scene, and rich history. The city offers a mix of medieval charm and modern attractions, making it a captivating destination for travelers.
A UNESCO World Heritage site and one of Germany's most famous landmarks, this Gothic masterpiece took over 600 years to complete.
A scenic cruise along the Rhine River offers beautiful views of Cologne and other riverside cities.
An interactive museum dedicated to the history and production of chocolate, with tastings included.
One of the oldest and most renowned zoos in Germany, home to a wide variety of animals and beautiful gardens.
The historic heart of Cologne, filled with charming streets, traditional pubs, and medieval architecture.
A traditional dish made with mashed potatoes, apples, and blood sausage.
Potato pancakes, often served with apple sauce or sour cream.
A rye bread roll topped with roast beef, mustard, and onions.
A local beer, light and refreshing, served in small glasses.
This is the best time to visit Cologne due to pleasant weather and numerous outdoor events. The city is lively with festivals and tourists.
Euro (EUR)
GMT+1 (CET), GMT+2 (CEST during daylight saving time)
230VV, 50HzHz
Cologne is generally safe, with low crime rates. However, like any major city, it's important to be aware of your surroundings and take precautions against pickpocketing and petty theft.
Cologne Central Station
Cologne Central Bus Station
Trams and buses are efficient and frequent. The KVB app is useful for schedules and tickets.
Available • Apps: Taxi Cologne, Mytaxi
Car, Bike, Scooter
The former capital of West Germany, Bonn offers a mix of history, culture, and scenic beauty along the Rhine.
A vibrant city known for its fashion, art, and nightlife, Dusseldorf offers a mix of modern and historic attractions.
A stunning medieval castle nestled in the hills above the Moselle River, offering a glimpse into the past.
Price varies by option