This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

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

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

New York City's first Modernist house.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

The graveyard holds the remains of Irish immigrants who arrived in Queens after fleeing the Great Famine.

Step inside Lucy, the world's largest "elephant."

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

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Oldest synagogue in the United States.

The oldest still-operating tavern in the United States was once owned by a pirate.

A single light illuminates one man's overshadowed contributions to street lamp history.

New York's southernmost subway station is whimsically wavy.

A wooden rollercoaster that still delivers a thrill.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.