A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

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

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

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

A sculptural commentary on capitalism pokes up from the East River.

On the Hudson resides one of the largest clocks in the world.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

Elevated freight railway turned wildly successful urban park.

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

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

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

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

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

Try not to get slimed in Tribeca.

Avoid gangster interaction while window-shopping.

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

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

A dilapidated dock tells the story of Titanic's missed arrival.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

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