One of the most important centers of Gandhara civilization, Taxila is a UNESCO World Heritage Site located near Islamabad. Known for its ancient Buddhist monasteries and stupas, Taxila was a thriving hub of learning and culture from the 5th century BCE to the 5th century CE. The site includes landmarks like Dharmarajika Stupa and Sirkap, showcasing a unique blend of Greek, Persian, and Indian influences.