A former waterfront market is now in the center of town due to some interesting Boston engineering.

This statue intended for children to enjoy became a minor political spat.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This historic floating crane became an unlikely symbol of the port of Trieste.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

The second oldest continuously operating bar in Louisiana.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

A daily replay of the experiment that proved the rotation of the Earth.

This statue honors the author's groundbreaking family story.

An early 20th-century bullring converted into a modern shopping center.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A massive marble foot is tucked away in a small alley near the Pantheon.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.