Avoid gangster interaction while window-shopping.

An artist's cute bronze subway sculptures belie his violent artistic past.

Slyly buy a shake in the Parker Meridien lobby.

Peek through the gates at this oasis from the city, full of Old English charm.

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

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

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

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

New York City's smallest piece of private property.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

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.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

The video game-themed street art first popped up in the French city.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

This banal Parisian entranceway is not what it seems.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.