An amazing example of Federal-period architecture, truly unique to this region of the state.

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

New York's oldest and possibly grandest keeper of books.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

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

The home of one of America's most beloved fictional characters has become a real world landmark.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

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

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

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

New York City's smallest piece of private property.

The first piece of public art dedicated to LGBT rights.

The oldest living tree in Manhattan comes shrouded in sinister legend.

A terrific purveyor of natural history objects and curios.

The site of the deadly Triangle Shirtwaist Factory Fire.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

The notorious headquarters of a corrupt political machine.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

A miniature city within a city, complete with traffic signs, signals, and streets to teach Baltimore's youth traffic safety laws.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.