Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

A Manhattan Episcopal church with an eerie underground crypt.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

An activist who committed her life to peace and women's suffrage.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

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

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

Phil Mortillaro uses keys to bring art back to the Village.

A reminder to choose water over wine since 1888.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

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

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

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

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Visit the monolithic tomb of America's most famous general.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Little Red Lighthouse under the George Washington Bridge.