The mummified relic of St. Catherine sits forever on a golden throne.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

A local artist created this giant rippling wave.

These striking ruins of a castle resemble a ship's stern.

Of course Salvador Dalí lived in a castle...

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

A Romanesque tower appears when water levels drop.

Wonderland replication in progress by one persistent man.

Village situated on a narrow volcanic escarpment.

Religious dwelling in a Spanish volcano.

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

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

Stunning Roman aqueduct used for 1900 years and still standing.

Hundreds of stones dangle from barren trees in the middle of the desert.

More than 100 Hindu temples are slowly being swallowed by the forest.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.