Smoked mummies housed in mountainside caves.

These 40,000-year-old stenciled hands are older than the famous cave art in France and Spain.

This Javanese-Hindu temple from the 15th century is unmissable for anyone with even a passing interest in erotic art.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Subterranean place of worship in Indonesia.

Bohol's mysterious brown hills.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Church organ in the Philippines constructed out of bamboo.

This Viking Age memorial contains the oldest known image of a Täby resident.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.