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

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

An accidentally hidden library containing the ephemeral history of New York.

Three-story slide through the New Museum.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This miniature village stays behind in the Breuer Building, even as the museums around it come and go.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This morbid scene depicts the Darwinian drama of death on the African savannah.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

A playground the size of a city block is a modernist monument to civic values and public housing.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

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

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

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Nope, not Washington Irving's house.

Here be dragons.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.