This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A crumbling hospital from the 1850s on Roosevelt Island.

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

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

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

The first plantation museum in the United States to focus on the lives of enslaved people.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

This creepy, yet oddly beautiful cemetery is home to one of the founding fathers of Lake Charles.

The tallest monument in a historic New Orleans cemetery was prompted by romance and dash of pettiness.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

A mysterious find dredged from Louisiana waters.

This sinkhole was created by a tragic industrial accident and continues to ravage the surrounding landscape.

The above-ground crypts at this Catholic cemetery face north-south instead of the usual east-west.

Pirates had to be ousted from the land where this now ruined Louisiana fortress was built.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

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

The crumbling ruins of this southern American fort have survived storms, war, and cults.