A superb Paleo-Christian baptismal pool is preserved among the ruins of ancient Sufetula.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

An arts and culture complex that was once a derelict American military installation in the civilian control zone of the DMZ.

This traditional home is a rare example of 19th-century Korean architecture.

The former home of a foreign correspondent who reported on Korea’s independence movement has been restored and is open to the public.

Collected from all around Seoul, thousands of secondhand books create this photogenic tunnel.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

The best place for scenic views of the DMZ and North Korea.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Some of the freshest vegetables in Seoul are grown in a subway station.

South Korea's women of the sea have completely flipped their society's structure by becoming revered fisherwomen.

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

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

A chilling monument to Korean patriots who resisted the Japanese occupation.

Hidden beneath a restaurant, underground tunnels tell the story of Malta’s tragic role in World War II.

A hidden tunnel of bones in one of Malta's oldest churches.

The antique vehicle is a preserved relic of Chile's nitrate mining industry.

This institution celebrates the happy accidents of uncommon sticktoitiveness.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

One of the holiest Shi'i shrines in Iran honors the life and death of a learned noblewoman who became a saint.