A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

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

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

The home of the first American-born saint is one of the only curved buildings in New York.

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

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

A terrific purveyor of natural history objects and curios.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

This former crime corner has been turned into an eclectic community center.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A reminder to choose water over wine since 1888.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

New York City's only preserved family home from the 19th century.

This 220-year-old house is a reminder of New York City's Dutch past.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

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