The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

A bit of retro transportation flair preserved in the world's largest department store.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

One of only two commuter aerial tramways in the United States.

Elevated freight railway turned wildly successful urban park.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

This mundane post marks the old location of the city's main postal hub.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The last remaining bottle-shaped kilns in Scotland stand alone in an Edinburgh suburb.

Nestled among the living residents is the final resting place of an apothecary plague victim.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

This repurposed church offers a more literal way to get closer to the heavens.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

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