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

Jimi Hendrix's legendary recording studio in Greenwich Village.

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

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

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

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

A bit of retro transportation flair preserved in the world's largest department store.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

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.

New York City's smallest piece of private property.

The first piece of public art dedicated to LGBT rights.

An aptly-named street near the birthplace of the modern LGBT rights movement.

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

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 memorial to the first person killed by a motor vehicle in the Western Hemisphere.

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.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

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

Commemorating the spot where the famous scientist fed his pigeons.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.