Located on a large roundabout in Madrid's Independence Square, this neoclassical gate was one of the five ancient entrances to the city. The gate got its name because it stands on the road that leads to Alcala de Henares. Its appearance resembles the triumphal arches built by the Romans, designed by the Italian architect Francesco Sabatini. Its construction was completed in 1778 AD, and since then the statues, inscriptions and columns that adorn the five arches have undergone five restorations, and they are now wonderfully present. This gate is one of the biggest tourist attractions in Madrid, which is worth seeing at night, to enjoy its impressively lit facade.