The burial ground of two kings and a queen is now a calm city park in the middle of bustling Seoul.

A family of distorted sculptures stands outside Seoul's former imperial palace.

The site where the Emperor of Korea performed the long-forbidden "rite of heaven" to demonstrate his absolute sovereignty.

Children’s timeless joy is remembered in the fast-developing Myeongdong district of Seoul.

Its humdrum facade only adds to its electrifying appeal: a rooftop with panoramic views of a shapeshifting metropolis.

This pagoda was once the central feature of a Buddhist temple that no longer exists.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

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

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

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

Booksellers and public artworks fill this vibrant promenade along the disused railroad tracks.

The river depicted in the antiwar film 'Apocalypse Now' was likely based on this Mekong tributary.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

A secluded, little-known temple hidden amid the dense jungle.

A battle between nature and architecture in the Cambodian jungle.

A small 12th-century temple surrounded by waters believed to have curative properties.

This impressive clifftop temple was once at the center of an international custody dispute.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

Local legend says the remains of Father Christmas lie within the medieval grounds.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

A hugely vast Irish landscape of barren rock that stretches for miles.