Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

The first and only carousel with a lineup entirely of insects.

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

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

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

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

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

This impressive scene portrays the elusive forest giraffe of Central Africa.

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

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

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

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Commemorating the spot where the famous scientist fed his pigeons.

There must be a pun in this haystack somewhere...

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Spike Lee's provocative film is officially honored right where it was made, the first time a work of art was used as a secondary street name.