A former French military respite turned jungle tourism hotspot.

One of the biggest markets in Asia, under one of the continent's largest domes.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

An ancient wall in the shadows of the Amber Castle.

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

Sacred Indian temple that’s all monkey business.

A blooming house of worship for the masses.

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

The remains of what was, not so long ago, the world's largest city.

The largest volcanic caldera in Japan holds an entire city in its maw.

Steaming blood-red hot spring from hell.

Peace Park and the Atomic Bomb Dome.

An eerie reminder to the horrors of World War II.

An art world insider finds himself battling for his artistic home.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

This garden houses the remains of the ancient Greek port of Marseille.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.