A subterranean shelter remains intact under a busy Paris railway station.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Burial mound for the ears and noses of thousands of mutilated Korean soldiers.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

The largest 19th century panorama in the world still in-situ.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

Christ's blood preserved in a Belgian town.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Climb inside an iron crystal magnified 165 billion times its normal size.

Theme park featuring miniature replicas of European monuments.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Rows of stone statues are dressed up to mourn children that are lost before birth.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Something's watching you.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.