The region is known for its rich cultural heritage and history, which dates back to the ancient kingdoms of Sri Lanka. Today, it is a popular destination for travelers who are interested in exploring the country's past and experiencing its unique culture.

Anuradhapura is one of the most significant cities in Sri Lanka's cultural triangle. It was the first capital of the country and is home to some of the most impressive ancient ruins in the world. Visitors can explore the ancient temples, palaces, and monasteries that date back to the 3rd century BC. The Sri Maha Bodhi tree, which is believed to be the oldest living tree in the world, is also located in Anuradhapura and is a must-visit attraction.

Polonnaruwa is another ancient city that is located in the cultural triangle. It was the second capital of Sri Lanka and is home to some of the most well-preserved ancient ruins in the country. Visitors can explore the ancient temples, palaces, and stupas that date back to the 10th century AD. The Gal Vihara, which is a group of four Buddha statues carved out of a single piece of granite, is one of the most impressive attractions in Polonnaruwa.

Sigiriya is perhaps the most iconic attraction in the cultural triangle. It is home to the Sigiriya Rock Fortress, which is an ancient palace and fortress that was built on top of a massive rock. Visitors can climb to the top of the rock to explore the ancient ruins and take in the breathtaking views of the surrounding countryside. The frescoes of the Sigiriya maidens, which are located halfway up the rock, are also a must-see attraction.

In addition to these ancient cities, the cultural triangle is also home to a number of other attractions, including national parks, wildlife reserves, and traditional villages. Visitors can take a jeep safari through Minneriya National Park to see elephants in their natural habitat, visit a traditional village to experience Sri Lanka's unique culture and traditions, or take a hot air balloon ride over the cultural triangle to see the ancient ruins from above.

Overall, the cultural triangle of Sri Lanka is a must-visit destination for any traveler who is interested in history, culture, and adventure. With its ancient cities, stunning landscapes, and unique culture, it is sure to be a trip that you will never forget.