Argentina has 12 properties on the World Heritage List, and tango is on UNESCO's Representative List of the Intangible Cultural Heritage of Humanity

Background

The World Heritage Centre's country page for Argentina records 12 properties inscribed on the World Heritage List, 7 of them cultural and 5 natural, with none in the mixed category.
Argentina accepted the World Heritage Convention on Wednesday, 23 August 1978.
Los Glaciares National Park, inscribed in 1981, is the oldest of the Argentine properties, and Iguazu National Park followed in 1984.
Cueva de las Manos, Río Pinturas and Península Valdés were both inscribed in 1999, Quebrada de Humahuaca in 2003, Qhapaq Ñan, Andean Road System in 2014 and Los Alerces National Park in 2017.
The Jesuit Missions of the Guaranis are inscribed together with the Ruins of Sao Miguel das Missoes in Brazil, and the page also lists 8 sites on Argentina's Tentative List.
Tango was inscribed in 2009 on the Representative List of the Intangible Cultural Heritage of Humanity, and the inscription is held by Argentina and Uruguay together.
UNESCO describes it as the Argentinian and Uruguayan tradition of the Tango, developed by the urban lower classes in Buenos Aires and Montevideo in the Rio de la Plata basin.
The intangible heritage page for Argentina shows 4 elements inscribed in all, and records that Argentina ratified the intangible heritage convention on 8 August 2006.