Argentina: 10 Facts from Its Flag to Patagonia

Argentina's national flag has three horizontal bands: sky blue, white and sky blue. The golden Sun of May occupies the center. Manuel Belgrano first raised the flag in Rosario on 27 February 1812, using the colors of the national cockade. Congress adopted the blue-and-white flag in 1816 and added the sun in 1818. The emblem recalls the May Revolution and reproduces the sun on the country's first coinage. Its design links the flag to the struggle for independence and the symbols of the emerging state.

The Casa Rosada faces Plaza de Mayo in Buenos Aires, Argentina's capital. Behind its pink facade are the seat of national government and the president's office. The site once held a Spanish colonial fort, and successive buildings changed its shape as the city grew. Its central arch was designed by the Italian architect Francisco Tamburini and completed in 1890. The balconies became a stage for political life: Juan and Eva Perón addressed crowds from them during the late 1940s and early 1950s.

Aconcagua rises in Mendoza province, where Argentina meets the high Andes. At about 6,962 metres above sea level, it is the highest mountain in the Americas. Snow and ice cover its upper reaches, while much of the surrounding ground is dry, rocky and exposed. The provincial park protects this high-altitude landscape. Sparse vegetation grows under conditions very different from the forests and wetlands elsewhere in Argentina. The mountain stands near the international route to Chile, within a range that forms much of the country's western boundary.

Perito Moreno Glacier flows into Lake Argentino in Santa Cruz province. At its front, cracks widen until blocks of ice break away and fall into the freshwater. The glacier can also close a narrow channel of the lake, temporarily raising the water level on one side before the ice barrier ruptures. These changes take place within Los Glaciares National Park, where glaciers, lakes and mountain peaks occupy the same rugged landscape. The park's ice feeds inland waters that have helped shape the valleys of southern Patagonia.

The Iguazu River spreads across a broad basalt edge on the boundary between Argentina and Brazil. Water drops through numerous channels, throwing spray above the surrounding subtropical forest. The Argentine bank lies in Misiones province, far north of Patagonia's ice fields. Here the air around the falls carries moisture into vegetation close to the cascades. National parks on both sides protect the waterfall system and its forest habitat. River channels, islands and rock ledges divide the flow before the water gathers again below the falls.

Sheltered gulfs surround Península Valdés on Argentina's Atlantic coast in Chubut. Southern right whales use these waters to breed, give birth and nurse their calves. Along the peninsula, southern elephant seals and sea lions gather on the shore, while Magellanic penguins nest in colonies. The land above them is dry and sparsely vegetated. This close meeting of coast and steppe supports animals with very different needs. For whales and their young, the sheltered water forms a nursery beside the more exposed South Atlantic.

The Río Grande runs through Quebrada de Humahuaca in Jujuy, northwestern Argentina. For thousands of years, people used this valley to move between the high Andean lands and lower regions. Settlements, agricultural remains and routes record that long occupation. The Inca road system later became part of the same corridor. Bands of color cross the dry mountain slopes above towns and cultivated ground. UNESCO protects the valley as a cultural landscape, where the history of travel and settlement remains embedded in the terrain.

Triassic sedimentary rocks extend through Ischigualasto Provincial Park and Talampaya National Park. Their fossils preserve plants and animals from the period when dinosaurs first appeared. The sequence includes more than isolated skeletons: layers of rock record successive ancient environments and the life within them. In Ischigualasto, erosion has sculpted pale formations across the dry ground, giving the landscape its Valley of the Moon nickname. The two parks protect different parts of this geological record and together form a single UNESCO World Heritage property.

Tango grew in the urban communities of Buenos Aires and Montevideo, on opposite sides of the Río de la Plata. Music, song and dance developed together within this shared Argentine-Uruguayan tradition. European immigrants, people of African descent and local communities contributed to its formation. Dance halls brought these influences into close contact through rhythm, movement and performance. The practice continues through musicians, dancers, singers and teachers. UNESCO's inscription recognizes this living tradition across both countries, including the skills passed between generations as well as performances on a stage.

Yerba mate comes from Ilex paraguariensis, a South American tree whose processed leaves produce the familiar infusion. In Argentina, the leaves are placed in a small vessel and steeped with hot water. A metal tube called a bombilla has a filtering end that holds back the plant material during drinking. More water can be added to the same vessel. Preparing and sharing mate is part of daily social life, linking a plant grown in the region with a routine practiced in homes and gatherings.