Deadly airliner crash preserved for those willing to climb and pay respects.

The site of the deadly Triangle Shirtwaist Factory Fire.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

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

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

The childhood home of one of America's greatest unsung troubadours still stands in a much changed Brooklyn neighborhood.

Sniff the Titan Arum's rotting flesh.

Steam out your ears for New Year's Eve.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A mass grave for victims of one of the city’s worst fires.

Brooklyn's most iconic restaurant, resurrected.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

The greatest real estate coup of all time.

The former sign of this immortal music venue is just that--undying.

Tucked in the back of this amazing antique store is an important piece of medical history.

Red frames showcase remnants of one of New York's original subway stations.