A 1,000-foot-long railroad tunnel under Shavers Fork connected the towns during West Virginia's logging boom until its closure in 1985.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

These bronze statues depict the early days of trading in Singapore.

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

One of the oldest Jewish cemeteries in the city, it is now overgrown with an urban forest.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

Initially built for a Chinese princess and sultana, this well was used to secretly assassinate some 200 Portuguese colonizers.

This statue of the famed saint is missing his right hand, a rare depiction of his posthumous amputation.

A mausoleum dedicated to a warrior felled by misplaced loyalty and tragic circumstances.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

This gorgeous Peranakan mansion’s family heritage includes a century-old baby gate, which was also used to keep out irresponsible husbands.

A miniature version of the ship that took John Cabot from Bristol to Newfoundland.

The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

Look up from the busy streets to discover how time is kept!

After James Madison's death, his wife and former First Lady Dolley Madison lived in this yellow building near the White House.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

A menagerie of concrete animals brought together from across New York City's parks.

This oddly shaped boulder in Paris is rumored to be cursed.

One of Jeff Koons’s largest sculptures and his first commemorative work.

The site of slaughterhouses that once satisfied Parisians' taste for horse meat is now home to a park and book market.

A unique military outpost carved into a rocky outcrop in the English Channel.

Folklore and history carved into Brittany's coast.