. Buenos Aires is thought to have one of the widest and the longest avenues in the world, 9 de Julio and Rivadavia, respectively.

. The Colón Theater is the most important lyric hall in Latin America and world famous due to its acoustic properties.

. The tallest building in Buenos Aires (and in Argentina) is currently the 170-meter high El Faro Towers, a lusty residential complex located in Puerto Madero.

. The highest mountain in America is the Aconcagua, located in the Argentine Andes.

. The Río de la Plata, which borders Buenos Aires, is thought to be the widest river in the world, measuring more than 55 miles from one edge to the other.

. Buenos Aires City and its surroundings gather over half of Argentina's population, whereas the rest of the territory is scantily populated, particularly the southern provinces (Patagonia).

. The southernmost city in the world is Ushuaia, capital of the Argentine province of Tierra del Fuego.