This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A very classy 1920s-era bar right in Grand Central Station.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A dilapidated dock tells the story of Titanic's missed arrival.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A hip bar decorated with walls of golden skulls.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Try not to get slimed in Tribeca.

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

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

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

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The second oldest continuously operating bar in Louisiana.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

New Orleans' famous cemetery, located on the site of a former race track.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.