One of two giant blue cockerel statues erected with an intentional double meaning.

According to legend, the Devil left a footprint behind after an epic showdown with a traveling priest.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This unusual elevator doesn’t stop or slow down.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

An inclusive, climate-resilient playground honors the life of a young Boston Marathon bombing victim.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

A luxury hotel constructed out of a former jail.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Europe's first floating restaurant is home to a hilarious legend.

A set of seven houses, each built in a style that represents a European country.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The smallest bar in Amsterdam has stayed in the family since 1798.

This demon atop the Notre-Dame de Paris looks utterly bored.

This modest marker near Notre Dame identifies the very center of Paris.

This saucy statue once caused outrage among locals.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Created by a local artist, these quirky sculptures each have their own names and personalities.

This parking garage was the site of what was - at the time - the largest cash robbery in history.