Quiriguá is an ancient Mayan archaeological site located in present-day Guatemala. It is known for its impressive stone monuments, including stelae and altars, which date back to the Classic period of the Mayan civilization. The site is particularly famous for its tall stelae, some of which are intricately carved with hieroglyphs and depict important historical events and rulers. Discovered in the 19th century, Quiriguá was designated a UNESCO World Heritage Site in 1981. The site covers approximately 1.5 square kilometers and features a variety of structures, including temples and plazas, showcasing the architectural and artistic achievements of the Maya culture.