This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

The first piece of public art dedicated to LGBT rights.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Unrepaired walls from a 1920 anarchist bomb attack.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

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

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

New York City's smallest piece of private property.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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