An unfinished tomb carved into a giant boulder in the Arabian Desert.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

Lived-in building, bedecked with an astonishing array of mirror mosaics.

Skyscraper powered by wind turbines attached between its towers.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

Some of the ancient-looking huts among these strange rock formations aren't ancient at all, but built as part of a movie set.

The building is a gigantic piece of art inspired by the shape of a desert rose.

A mesmerizing wonderland of salt-encrusted tree branches and pencil roots.

Some 20,000 dust-covered unwanted vehicles languish in the desert.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

A jagged silhouette of shamanistic stone heaps rises from the shore of this dazzling mile-high lake.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

Space-age minarets towering over Islamabad.

Unique pagan culture in three extremely remote mountain valleys.

The place that allegedly inspired James Hilton's depiction of Shangri-La.

A place as enchanting as the journey to reach it is harrowing.

A 17th-century mosque that was used for war more than worship.

Lunar landscape, a mud volcano and bizarre rock formations.

This grand Pakistani mausoleum can only be accessed via an almost 1,000 foot long alleyway.

These stairs were built to accommodate royals mounted on elephants.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.