A town trapped in time - 1958 to be exact.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

The "Seinfeld" diner.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

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

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

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

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The historic home still shows the scars from a little run-in with the British in 1813.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.