This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

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

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

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

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

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

The largest and oldest brick pagoda in Korea.

Ancient temple is home to centuries of art and spiritual artifacts.

A traditional village rooted in the Joseon Dynasty.

The palatial McDonald's that inspired Wesley Willis.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The celebrated eyesore created by starry-eyed sweethearts.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

The largest stone circle in Ireland.

This ancient Egyptian obelisk still bears the wounds of World War I.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This natural spring is the winter home to the largest gathering of manatees in the world.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A hollow cement depiction of time's inexorable effect on the human body.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.