Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

A whimsical bridge adorned with decorative dragons.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

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

Bridge that died in war and was resurected.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

Hundreds of Buddhas in a re-discovered Indonesian temple.

A marvel of Byzantine engineering under the streets of Istanbul.

1513 Turkish world map, full of European state secrets and snarky commentary.

A 11-foot former president stands on a Kosovo street that also bears his name.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

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

Bohol's mysterious brown hills.

Climb to the top of the world's largest seated bronze Buddha.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

A Buddhist theme park brings you a Buddhist version of Hell.

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

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.