Quebrada de Humahuaca is a narrow mountain valley located in the northwestern region of Argentina in the province of Jujuy. It is considered a UNESCO World Heritage Site for its unique landscape and cultural significance. The valley is known for its vibrant colors, with towering cliffs and rock formations in shades of red, yellow, and orange. The area is rich in indigenous culture, and the valley is home to several indigenous communities and traditional villages, such as Tilcara, Purmamarca, and Humahuaca.

Visitors can explore the valley by car, bike, or on foot, taking in the stunning scenery and learning about the area's rich history and cultural heritage. There are also several historic landmarks, such as the Pucará de Tilcara, a pre-Columbian fortress, and the Monolito de Tulum, a unique rock formation. Overall, Quebrada de Humahuaca is a must-visit destination for those interested in natural beauty and cultural heritage.