Palácio da Bolsa, also known as the Stock Exchange Palace, is a magnificent 19th-century building in Porto. It is renowned for its stunning neoclassical architecture and opulent interiors. Visitors can take a guided tour of the palace and explore its various rooms, including the Arab Room, which is adorned with intricate Moorish-style decorations. The highlight of the palace is the grand Hall of Nations, where official receptions and events take place. Palácio da Bolsa is a testament to Porto's rich history and architectural heritage.