This historic black and white monastery is one of Bulgaria's architectural jewels.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A naturally beautiful, seemingly bottomless deep blue spring.

A battle between nature and architecture in the Cambodian jungle.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.