The Posta Medicea is an ancient resting place along the
near Radicofani, where pilgrims could rest and find solace on their way to Rome and Jerusalem.
It was built in 1584, at the behest of the Grand Duke Ferdinando I dei Medici, who entrusted the project to Bernardo Buontalenti, who also included the Grand Duke Francesco I's pre-existing Hunting Lodge in the complex.
The facade has two floors, featuring a loggia with six arches. In the basement, there are huge cellars, while on the ground floor there are the stables, kitchens, dining rooms, the sixteenth-century customhouse and the guards' rooms. On the first floor, there are two large halls, the managers' apartment, the Royal Chapel of the Holy Annunciation and the rooms for the most important guests; on the second floor, there are the servants' rooms and the simpler rooms.
The building was used as a post house and a place for changing horses until the end of the 19th century; outside, there is still a large fountain where horses could drink, featuring the Medici coat of arms.
Illustrious guests such as popes, grand dukes and emperors stayed here, as well as Giacomo Casanova, the Marquis De Sade, Stendhal, Charles Dickens and many others.