Highlights 🕵️‍♂️ Solve a gripping mystery surrounding a hidden time capsule on the Capitol grounds 🧩 Decode puzzles embedded in the iconic architecture of the National Mall 🏛️ Walk through history from the Capitol steps all the way to the Lincoln Memorial 🕒 Play at your own pace with 24/7 access—start, pause, and resume whenever you like General Info 📅 Date: From May 21, 2026 🕒 Time: Play any time (Available 24/7) ⏳ Duration: Approximately 100 minutes 📍 Starting Point: 35 Columbus Monument Drive NE, Washington, DC 20002 🚶‍♂️ Walking Distance: 4.0 km (12 locations) 👤 Age requirement: All ages (Children under 12 must be accompanied by an adult) 📱 Technical requirements: 1 ticket provides access for 1 device (smartphone with Questo app required) ♿ Accessibility: Not wheelchair accessible Description Uncover the hidden history of the nation’s capital! A Yale historian has arrived in DC with a mysterious lead about a time capsule, and you are the only one who can help find it. This self-guided outdoor exploration game takes you on a high-stakes mission across the National Mall, following the footsteps of Philip Reid—an enslaved man whose craftsmanship crowns the Capitol dome. As you solve real-world puzzles woven into Washingtons most legendary monuments, youll reveal a side of American history that isnt in the guidebooks. Whether youre exploring with family, competing with friends, or on a unique date, this interactive adventure turns the city into a giant escape room. Are you ready to crack the code? Get your tickets for the Washington National Mall Mystery now!