A reconstruction and study of the triumphal archways and other architectural features built to mark the arrival in Madrid of Mariana of Austria, after her marriage to King Philip IV. Through the extensive documentation existing in the Madrid City Archive,  a detailed description is offered of each archway, each brief decoration, their paintings and statues, indicating the artists who worked on them. The book provides a broader view of the artistic panorama in the Court of Philip IV and it completes the knowledge on the short-lived Baroque period of the 17th century, one of the most complete exponents of which are the royal arrivals, which in turn reveal many other aspects such as the culture, the thought and the customs of the Madrid of the mid 17th century.