Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

A century-old magnolia tree is the only living landmark tree in New York City.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

The highest rapid transit station in the world.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

This unusual subway stop was originally a real estate office.

From this desk Al Hirschfeld drew his influential caricatures of the 20th century's Broadway stars.

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.

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

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

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

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

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

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.