Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

France's most famous cemetery, with some of its most curious tombs.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.