Located near the historic center of Sintra, the initiative well is a stunning landmark located in a natural area protected by World Heritage. While thousands of tourists flock to Quinta de Regalera Castle every year to enjoy its unique architecture that combines Gothic, Egyptian, Moorish and Renaissance features, the One of its coolest underground features; Represented by a pair of wells dug deep into the ground, these wells were never used, and were not intended to collect water, but were used as mysterious underground towers to host secret initiative rituals.