• Former Marconi Hall Street Works - Once the vibrant center of Chelmsford’s industrial era, the Former Marconi Hall Street Works is a site of wireless innovation. It was here that Guglielmo Marconi established the world’s first radio factory, igniting a global communications revolution. As part of the quest, participants will follow clues leading to this historic location. Upon arrival, they will solve a puzzle connected to its pioneering past, uncover a hidden narrative of invention and ambition, and continue their exploration of the city that helped transform the world.
• Stone Bridge - Gracefully spanning the River Can, Stone Bridge is one of Chelmsford’s oldest crossings, used for centuries by traders, townsfolk, and even mysterious figures from the city’s history. Its stones have witnessed revolutions in travel, trade, and technology. Following the quest’s clues, participants will be guided here to solve a puzzle intertwined with the bridge’s enduring legacy. By solving the riddle, they will uncover a hidden story beneath its arches and proceed on their journey through Chelmsford’s rich history.
• Shire Hall - Proudly standing at the heart of Chelmsford since 1791, Shire Hall has been a venue for trials, declarations, and decisions that shaped the region. With its grand Georgian architecture, it once hosted courts, assemblies, and even whispers of political intrigue. As participants unravel clues on their quest, they will arrive at this iconic landmark. Here, a clever puzzle awaits, linked to the building’s dramatic past. By cracking the code, they will uncover a hidden tale of justice or scandal and continue their investigative journey through Chelmsford’s rich history.
• Marconi New Street Works - Once a hub of innovation, the Marconi New Street Works was central to Chelmsford’s emergence as the birthplace of radio. From this site, voices were first broadcast worldwide, redefining global connectivity. As participants follow the quest’s clues, they will discover this historic landmark where science met imagination. At the site, they will solve a puzzle inspired by Marconi’s groundbreaking work, unlock a hidden story of global communication, and continue their journey through the city that helped shape the modern world.
• Chelmsford Cathedral - Elegant and full of quiet grandeur, Chelmsford Cathedral is one of the city’s oldest buildings and an unexpected landmark in the story of wireless communication. It was from here that Marconi transmitted one of the world’s earliest radio broadcasts, blending faith, innovation, and history in one iconic moment. As participants follow the quest’s clues, they will arrive at this stunning site to solve a puzzle linked to its surprising role in global technology. By uncovering a hidden story beneath the spire, they will continue their journey through Chelmsford’s remarkable past.
• Chelmsford County Hall - With its imposing façade and clock tower rising above the city, Chelmsford County Hall has long been a center of power and local decision-making. For over a century, it hosted council meetings, legal dramas, and pivotal moments in Essex’s civic history. Guided by the quest’s clues, participants will uncover this commanding landmark and face a puzzle tied to its political past. By solving the riddle, they will reveal a hidden story of authority and intrigue, then move forward on their journey through Chelmsford’s layered legacy.
• Marconi Memorial Statue - Standing in quiet tribute to a world-changing mind, the Marconi Memorial Statue honors Guglielmo Marconi, a pioneer of wireless communication and one of Chelmsford’s most iconic figures. This statue marks the legacy of a man whose inventions reshaped global connectivity. As part of the quest, clues will lead participants to this thoughtful monument. Here, they will solve a puzzle tied to Marconi’s genius, uncover a hidden story of invention and inspiration, and continue their journey through the city that sparked a global communications revolution.
• Central Park - A peaceful green escape in the heart of the city, Central Park offers more than just scenic paths and quiet benches—it’s a place where Chelmsford’s past and present quietly intertwine. Once the site of community gatherings and early experiments in wireless signals, this park holds stories beneath its calm surface. As the quest unfolds, clues will guide participants here. Among the trees and trails, they will solve a puzzle linked to a hidden moment in the city’s history, then continue their journey through Chelmsford’s secrets and science.

• Flexibility to start, pause, and resume anytime
• Mobile access code to the Questo app
• Engaging storyline content about Marconi and Chelmsford
• 11 themed puzzle challenges
• Built-in GPS map for easy navigation

• Live tour guide

Embark on a journey as a 1920s journalist chasing a groundbreaking story. As you wander through the streets of Chelmsford, you’ll discover the legacy of Guglielmo Marconi, the trailblazer of wireless communication, through engaging puzzles, clues, and historical sites.

This self-directed adventure leads you to significant locations linked to Chelmsford’s industrial and technological advancement, including landmarks that influenced the evolution of modern communication. By using the Questo app, you’ll tackle 10–15 interactive challenges, each unveiling intriguing facts and long-lost tales about the city’s history. All that’s required is your smartphone and a curious mind.

What sets this tour apart? It seamlessly combines storytelling, exploration, and mind-bending fun into a flexible, on-demand walking experience through Chelmsford’s rich scientific and cultural legacy.

Ideal for couples, families, solo adventurers, and history enthusiasts who wish to explore at their own pace—no guide or schedule needed.

For a full refund, cancel at least 24 hours before the scheduled departure time.