The Most Beautiful UNESCO World Heritage Sites in Argentina
6 places · updated 6 October 2026
In short: By our ranking, the most beautiful UNESCO World Heritage Sites in Argentina are Cueva de las Manos, Iguazú National Park and Ischigualasto Provincial Park. The list covers 6 UNESCO World Heritage Sites. Last updated 6 October 2026.
Argentina's World Heritage Sites cover an unusual range for one country, from subtropical rainforest to Patagonian steppe and from the age of the first dinosaurs to the Jesuit missions of the colonial era. UNESCO recognition here marks places of outstanding value to all of humanity: some for natural processes on a continental scale, others as the best surviving evidence of the people who lived on this land, often across thousands of years.
Iguazú National Park protects the subtropical forest around the Iguazú Falls, where the river breaks into hundreds of separate cascades along a wide horseshoe that culminates in the Devil's Throat. In the arid northwest, Ischigualasto and Talampaya together preserve one of the most complete records of Triassic life on Earth, among them some of the oldest known dinosaurs, in a landscape of eroded clay hills and towering red sandstone walls. The Quebrada de Humahuaca in Jujuy is a long mountain valley of multicoloured rock that served as a route for trade and travel for some ten thousand years.
The human story reaches deep into prehistory. In a canyon in Santa Cruz province, the Cueva de las Manos is covered with stencilled hands in red, ochre and black, left by hunter-gatherers thousands of years ago, together with images of guanacos and hunts. In the far northeast, San Ignacio Miní preserves the red sandstone ruins of a Jesuit mission town where Guaraní craftsmen carved a distinctive Baroque.
In this list
| # | Place | Type | UNESCO |
|---|---|---|---|
| 1 | Cueva de las Manos | Cave | ✓ |
| 2 | Iguazú National Park | National park | ✓ |
| 3 | Ischigualasto Provincial Park | Protected area | ✓ |
| 4 | Talampaya National Park | National park | ✓ |
| 5 | San Ignacio Miní | Ruins | ✓ |
| 6 | Quebrada de Humahuaca | Canyon | ✓ |
01 Cueva de las Manos
Argentina47.150° S 70.667° W
- UNESCO World Heritage
Mariano · Public domain Most of the hand images at Cueva de las Manos weren't painted with a brush — they're negative stencils, made by pressing a hand flat against the rock and blowing pigment around it through a hollow bone or reed pipe, leaving a silhouette rather than a filled-in shape.
Did you know? Of the hands that can be identified, 829 are left hands and only 31 right, suggesting most painters held the spray pipe in their right hand.
02 Iguazú National Park
Parque Nacional Iguazú
Argentina · 34.7 km from Foz do Iguaçu25.705° S 54.248° W
- UNESCO World Heritage
- UNESCO natural beauty
Image by AndreaRochas from Pixabay Argentina created Iguazú National Park in 1934 to protect the greater part of the Iguazú Falls and the subtropical forest around them, and UNESCO listed it in 1984, together with its Brazilian counterpart across the river. The park covers 677 square kilometres of the far north of Misiones province.
Did you know? On 9 June 2014 the falls carried a record flow of about 45,700 cubic metres per second, more than five times Niagara's highest recorded flow.
03 Ischigualasto Provincial Park
Argentina30.117° S 67.912° W
- UNESCO World Heritage
M.Bustos · CC BY-SA 4.0 Ischigualasto is a dry basin in northeastern San Juan province where the ground itself reads like a book of the Late Triassic. Here, in rocks laid down roughly 231 to 226 million years ago, lie some of the earliest dinosaurs known anywhere — and around them a landscape so stripped and strange that by the 1940s it was already being called the Valle de la Luna, the Valley of the Moon.
Did you know? Dinosaurs are surprisingly rare here: estimates put them at only about 5 to 11 percent of all the four-limbed animals found.
04 Talampaya National Park
Parque Nacional Talampaya
Argentina29.796° S 67.811° W
- UNESCO World Heritage
Gino Lucas T. · CC BY-SA 2.5 Talampaya is a dry river that left behind a cathedral. Over millions of years water and wind cut down through layers of red Triassic sandstone in the far west of La Rioja province, and the result is a canyon whose sheer walls rise to around 145 metres, stained in iron reds and streaked with dark desert varnish, narrowing at one point to only about 80 metres wide.
Did you know? Among the park's fossils is Palaeochersis talampayensis, one of the oldest turtles known anywhere, which lived here in the Late Triassic more than 210 million years ago.
05 San Ignacio Miní
Ruinas Jesuíticas de San Ignacio Mini
Argentina · 21.6 km from Hohenau27.255° S 55.532° W
- UNESCO World Heritage
Fernando · CC BY-SA 4.0 Thick walls of red sandstone standing among the trees of northeastern Argentina are what remain of San Ignacio Miní, one of the Jesuit mission towns founded among the Guaraní people in the seventeenth century.
Did you know? The ruins first joined UNESCO's list as an extension of São Miguel das Missões in Brazil, which had been inscribed a year earlier, in 1983.
06 Quebrada de Humahuaca
Argentina · 0.1 km from Humahuaca23.200° S 65.349° W
- UNESCO World Heritage
Image by Jonny_Joka from Pixabay The Quebrada de Humahuaca is a narrow mountain valley in Jujuy province in Argentina's far north-west, running north to south for about 155 km between the high plateau of the Altiplano and the lower hills to the east. The Río Grande flows through it, dry in winter and a torrent in the summer rains.
Did you know? The World Heritage cultural landscape covers about 172,000 hectares, ringed by a buffer zone more than twice that size.
How this list is ranked
Places are chosen for how they look, not for how famous they are: each one has its own description and a photograph credited to its author. The order is a single world ranking that weighs the beauty of the place in curated photography together with how widely it is documented — the number of language editions of its encyclopedia article and how often that article is read in a year. The list is rebuilt as places are added, so the order and the counts on this page are always current.
Questions people ask
- What are the most beautiful UNESCO World Heritage Sites in Argentina?
- On our list, Cueva de las Manos ranks first, followed by Iguazú National Park and Ischigualasto Provincial Park.
- How old are the paintings at Cueva de las Manos?
- The oldest paintings at Cueva de las Manos are generally dated to around nine thousand years ago, and the site was used by successive groups of hunter-gatherers for thousands of years afterwards.
- Why is Ischigualasto important for paleontology?
- Ischigualasto preserves an almost continuous sequence of Triassic rocks containing fossils of early dinosaurs such as Eoraptor and Herrerasaurus, along with the mammal ancestors and reptiles that lived alongside them. It is one of the best places in the world to study the dawn of the dinosaurs.
- What were the Jesuit missions of the Guaranis?
- From the seventeenth century, Jesuit missionaries founded settlements called reductions where Guaraní communities lived, worked and worshipped. San Ignacio Miní in Misiones is one of the best preserved and is part of a UNESCO World Heritage Site shared with Brazil.
- How many UNESCO World Heritage Sites are on this list in Argentina?
- The list covers 6 UNESCO World Heritage Sites.