Imperial Palace of Santa Cruz

When you stand on Praça Ruão and take in this massive neoclassical building, you are looking at an estate that kept redefining its purpose to suit whoever held power in Rio.

It started in the early eighteenth century as something much quieter. Jesuit friars built it between 1707 and 1751 to serve as the administrative headquarters for their sprawling agricultural holdings. But in 1759, the Marquis of Pombal expelled the Jesuits from Portuguese lands, and the crown seized the entire property. Half a century later, when the Portuguese royal court fled Napoleon and landed in Rio de Janeiro, Prince Regent Dom João VI discovered that Santa Cruz was the perfect refuge from the suffocating heat and fever outbreaks of the coast. For months at a time, the government simply packed up and governed from this countryside estate.

The place was more than just a royal retreat. In August 1822, his son, Prince Regent Dom Pedro, gathered his inner circle here, including José Bonifácio, to plan an urgent political expedition south to São Paulo. Just weeks later, Pedro declared Brazil an independent empire, and he chose to celebrate that rupture right back here on these grounds. The quiet countryside monastery had become the political launchpad of a new nation.

After the monarchy fell, the new republic added a third floor and eventually handed the keys over to the army. Since 1946, it has housed the First Combat Engineering Battalion, named for Villagran Cabrita. Soldiers march where emperors strolled and monks once prayed. It is a working military post today, but its walls still carry the imprint of the summer court that helped forge modern Brazil.