A giant roll of mints marks the birthplace of one of America's most famous candy brands.

Three gardens with toilets and urinals filled with bright flowers started as a protest against zoning rules.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

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

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.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A world-class collection of mechanical musical instruments and automata.

A trompe-l'oeil statue honoring the first guide dog in North America.

One kilometer of thick brass rod laid out before your eyes.

A one-of-a-kind collection of a unique medium.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A community of collapsing homes more than a mile out from the Florida coast.

100 massive sculptures in the Hudson River Valley.

The remains of what was once the world's steepest passenger funicular.

This water tower commemorates the invention of the transistor on this site in 1947.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

A unique sculpture park that specializes in the huge and bizarre.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.