This steep slide at a kids’ playground went viral after an police officer tumbled down it.

Dedicated to a colonial woman who was hanged for being a Quaker.

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

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

A rare 16-bedroom Qing Dynasty house re-erected on the campus of the Peabody Essex Museum. 

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

This is the house that spite built.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

Provincetown's night owls flock to this 52-year-old pizza joint.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The history and future of cannabis.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world’s largest street art museum.

The mirrored section takes the shape of Hebrew characters when viewed from above.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam’s most popular cultural and recreational complexes is on the site of a former gas works.

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