Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

World's largest cave was only discovered in 1991, and now offers tours to the public.

A battle between nature and architecture in the Cambodian jungle.

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

A quick and simple solution to Cambodia's train woes.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

Monkeys lounge around at this 13th century temple.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Living trees form the structure of an open-air palace.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

Moss and stone turn this waterfall into an otherworldly liquid veil.

An underground city of salt.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

This Romanian village may have been drowned, but it is long from forgotten.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

At least 14 twice-retired ships were sunk to make a lovely rusting breakwater in Comox Harbour.

This playground sculpture of an icon from the past is dedicated to the children of the future.