This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The final resting place of New Orleans' most famous voodoo priestess.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world's longest known cave system.

The first home of the doomed aviatrix Amelia Earhart.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

Jail from the 19th century that was built by inmates.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

An early-19th-century hotel with a past that is steeped in the Civil War.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

The site of the climactic scene from the classic horror film is now a historic landmark.

Underground tunnels remain beneath this abandoned mental asylum.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

Ruins of a historic medical facility sits eerily by the water.

A former copper mine which became a truly unsuccessful prison.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.