Mystery City is located in Sintra, Portugal, and offers an engaging outdoor escape room experience with "The King's Secret." This adventure invites participants to delve into the rich royal history of Sintra, exploring enchanting palaces and unraveling captivating mysteries amidst the town's scenic beauty.

Visitors will appreciate the picturesque surroundings, making it a delightful destination for both locals and tourists seeking an adventurous escape room experience.