More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

Ancient structures used to make and preserve ice in the deserts of Persia.

There's nothing shrimpy about the world's largest artificial prawn.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The first tourist attraction to offer tours for interstellar tourists.

People can't get enough of these adorable Japanese photobooths.

This lake in northwest Iran has started turning from green to red more frequently than scientists are comfortable with.

Modern-day cave dwellers carve elaborate homes out of volcanic debris.

This circular Iranian jail was once a political prison run by the country's secret police.

This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

17th century mosque for Shah Abbas' harem.

These little castles each held thousands of pigeons.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

The palace of the King of Kings, burned by Alexander the Great.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

Marked by the hand of the explorer Henry Morton Stanley.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.