4. Dambulla: The most impressive of Sri Lanka’s cave temples, Dambulla is a UNESCO World Heritage site consisting of five caves with over 6,000 square feet of painted walls and ceilings, creating the largest continuous series of paintings in the world.

A tourist visits the Rock Temple (Rangiri Dambulla Rajamaha Viharaya) in Dambulla. Within five caves are statues of the Buddha, attracting pilgrims and tourists.
Lakruwan Wanniarachchi/AFP/Getty Images
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