The ancient cities of the Cultural Triangle – Anuradhapura, Polonnaruwa, Sigiriya and Dambulla – hold over two millennia of history in their ruined palaces, stupas and cave temples. Guided tours, often by bicycle or tuk-tuk, bring these UNESCO World Heritage sites to life with stories of kings, monks and engineering feats that still function today. These immersions suit history lovers and casual visitors alike.