The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

The Boston square dedicated to the dark poet who was born nearby.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

An ancient healing font dedicated to an 11th-century matriarch was moved to make way for progress.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A pair of antique trolleys are on display at one of the oldest subway stations in the United States.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

A 1930s-style speakeasy with a secret doorway and one-of-a-kind cocktails.

This tiny home was originally a narrow alleyway.

A series of stained glass artworks that depict images of the hit TV show.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

The most loyal of little dogs, or a Victorian era publicity stunt?

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

Now home to a drinking establishment, this building has a macabre history.

A 17th-century building that once served as the town's courthouse and jail is now a thriving art center.

A geological mystery on Camelback Mountain.

This colorful gate stands as an entrance to the walled city of Old San Juan.