Maraya Concert Hall in AlUla, Saudi Arabia is an architectural wonder of the world. It has set a Guinness record for its size and features mirrored walls that reflect the mesmerizing landscape of the region. This majestic cube-shaped structure is located in Wadi Ashaar and can accommodate up to 500 people. Inside the hall are state-of-the-art theater and operatic sound systems, and outside are 9,740 square meters of mirrors creating a dazzling show — even at night — that truly brings the magical desert environment to life.