Anuradhapura: Founded in the 4th century BC, Anuradhapura was the capital of Sri Lanka for over 1,000 years and is home to some of the country's most significant historical and religious sites. Highlights include the Sacred Bo Tree, which is believed to have grown from a cutting of the tree under which the Buddha attained enlightenment, and the massive dagobas (stupas), which are some of the largest brick structures in the world.

Polonnaruwa: The second ancient capital of Sri Lanka, Polonnaruwa was built in the 11th and 12th centuries and is home to a number of well-preserved ruins, including the Royal Palace, the Quadrangle, and the Gal Vihara, a group of Buddha statues carved into a single rock face.

Sigiriya: Perhaps the most famous attraction in the Cultural Triangle, Sigiriya is a massive rock fortress that was built in the 5th century AD by King Kashyapa. Visitors can climb to the top of the rock to see the remains of the king's palace and enjoy stunning views of the surrounding countryside.

Dambulla Cave Temple: Located in the town of Dambulla, the Dambulla Cave Temple is a UNESCO World Heritage Site that's home to over 150 Buddha statues and frescoes. The temple is built into a large rock and offers visitors a fascinating glimpse into Sri Lanka's rich cultural and religious heritage.

Minneriya National Park: While not technically part of the Cultural Triangle, Minneriya National Park is a popular destination for visitors to the region. The park is home to a large population of wild elephants, as well as a variety of other wildlife, including leopards, deer, and monkeys.

Exploring Sri Lanka's Cultural Triangle is a fascinating journey through the island's rich history and culture. So be sure to add these must-visit sites to your Sri Lankan itinerary.