Swat Valley, often called the "Switzerland of the East," has lush green hills, rivers, and a cooler climate plus rich Buddhist heritage at sites like Udegram.
Mohenjo-daro (Sindh) is one of the world's oldest cities, dating back to 2500 BCE — a UNESCO site and a remarkable window into the ancient Indus Valley Civilization.
Lahore is the cultural heart of Pakistan. The Badshahi Mosque, Lahore Fort, Shalimar Gardens (all UNESCO World Heritage Sites), and the lively food scene of the Walled City make it a must-visit.