A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

Japan and South Korea both lay claim to islands inhabited by one woman.

The 400-year-old remains of the samurai invasion of Korea.

A 32-acre fun park dedicated to all things cheese.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.

Enormous burial mounds of ancient emperors.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

Ming Dynasty necropolis raided during the Cultural Revolution.

A natural arch offers panoramic views of Yangshuo's karst hills.

This Tang Dynasty behemoth is the biggest Buddha in the world.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

270 million year-old forest of stone.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A part of the world's largest marsh seems to be growing bright red Martian grass.

A fifth-century temple improbably built into the side of a cliff.

A fascinating insight into daily life in the Eastern Bloc.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

This basement museum explores the art and artistry of fascism.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.