The fairy tale castle of the "fairy-tale king."

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

This hulking behemoth is actually five interconnected towers built in the 1960s.

These pastel-colored homes were built when the island of Macau was a Portuguese colony.

This ancient Corinthian helmet is South Korea’s only national treasure of Western origin.

Only a few pieces remain of a grand 16th-century water clock that once announced the changing hours with the sound of bells, gongs, and drums.

The site of the last royal wedding in Korea.

One of only a handful of seaside temples in Korea, this sacred space is home to a legendary healing Buddha statue and a traffic safety prayer pagoda.

A thriving artist's wonderland located just 6 kilometers from Korea's DMZ.

The darkest building on Earth was built for the snow-white scenery of the 2018 Winter Olympics.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

A traditional village rooted in the Joseon Dynasty.

Secret North Korean passage discovered below the world's most dangerous border.

A refugee returns to his homeland to open Ho Chi Minh City’s first Michelin-starred restaurant.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Vietnam's largest Buddha statue depicts a female sage.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.