National Congress, the official seat of the Senators' and Deputies' chambers, is situated on Avenida de Mayo on the opposite side from the Casa Rosada. The edifice was designed by acclaimed Italian architect Vittorio Meano Julio Dormat and inaugurated in 1906, although it was not fully completed until 1946. The National Congress is situated in a large, beautiful square of some 9,000 meters with lots of trees and gardens.

This beautiful palace, dating from 1923, was designed by the brilliant Italian architect Mario Palanti at the behest of local business magnate Luis Barolo. It is the highest palace in Argentina. Its design was generated from Dante Aligieri’s work “The Divine Comedy”, with wonderful lamps, granite, marble, and stained glass. Look out for the dome at Barolo Palace, which represents the love between Dante and Beatrice.

La Manzana de Las Luces - The illuminated block - is a national historical monument that was built by the Jesuits in the early 18th Century. Its name comes from the bright students who lived here, at the site of the first Medicine school as well as the famous University of Buenos Aires. In this intellectual center you can also find the Museum of Site and the Church of San Ignacio. You can also visit the historical tunnels which link several chapels with the Cabildo and the port.

This historical building once served as an edifice of government, and was also the place where Argentina's independence movement began - hence its nickname, the May Revolution palace. Today, Cabildo is guarded by sentinels and houses a history museum that exhibits diverse objects from Argentine history. The artifacts preserved from the 18th century and the May Revolution period include: uniforms, furniture, maps, documents and other interesting objects.

Casa Rosada, also called The Government House, was first occupied in 1957. It is an old administrative building that also doubles as the Presidential Palace. According to local legend, the building's pink color was chosen because it unifies the colors of the red and white opposing political factions. Casa Rosada is surrounded by a beautiful garden where you can walk around and enjoy the picturesque view.

The Metropolitan or City Cathedral is the home of the Catholic Church in Buenos Aires. The construction of the cathedral has a long history, having been built over many years. Its chapel, built in the 18th Century, has carvings that tell the biblical story of Jacob and his son. Other parts of the cathedral combine diverse architectural styles, and here you can find numerous sculptures and carvings. It also houses the ashes of the famous General José de San Martín.

The Banco de la Provincia opened in the city in 1822, and was the first bank in Buenos Aires. Initially it was located in La Manzana de Las Luces before being moved to the San Martin neighborhood. The bank building has an amazing exterior with fabulous bronze doors. It now hosts the "Doctor Arturo Jaúretche” museum that displays the history of banking in Buenos Aires and in Argentina as a whole.

Teatro Colón - or Columbus Theatre - is the most popular opera hall in Buenos Aires, if not the whole country. Inaugurated in 1908, it was constructed under the watchful eye of eminent architect Francesco Tamburini. It boasts a large number of seats, a fabulous stage and one of the best acoustics of any opera house in the world.

The Palacio de Aguas Argentinas was designed by Swiss architect Carlos Nystomeyer and Norwegian planner Olaf Boye. Its first role was that of a water tower enveloped in a beautiful castle. The Palacio de Aguas Argentinas, decorated with diverse English pottery and ceramics, is an accomplished example of Baroque architecture. It now houses a Waterworks Museum and a nice library with many books.

The Palacio San Martin is situated close to the city's branch of the Foreign Ministry. It was designed in the Bourbon style, with enormous bronze and iron bars. A national monument in itself, the building preserves the works of famous local and American artistic greats such as Roberto Matta, Antonio Berni, Pablo Curatela Manes, Lino Enea Spilimbergo and many more.