This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The greatest collection of New Orleans masking and processional traditions covering everything from Baby Dolls to Skull and Bone gangs.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Site of a former hidden treehouse in New Orleans.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

This backwater graveyard in the Hamptons became a trendy burial spot and posthumous status symbol for famous artists.

The United States Capitol's former columns still stand.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A 140-year-old castle with underground caves hidden in San Francisco.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A hip bar decorated with walls of golden skulls.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A heavenly experience, right here on Terra Firma.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The atmospheric road was never meant to be so creepy.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

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