Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

Anne Rice, one of the most influential writers in gothic literature, is buried alongside her husband in a New Orleans cemetery.

The world-record holder for the longest bridge stretching continuously over water.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

A house of courtship where the Jazz Age's most storied lovers got their start.

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

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

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

The curiosities and wonders of pharmacy in a delightful historic building.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

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

A monument marks the location of the first successful steamboat demonstration.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The final resting place of New England's last "vampire."

The final resting place of the famous Rhode Island lighthouse keeper who heroically saved dozens of people from drowning.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

This young woman's tombstone names her murderer, who is buried in the same cemetery.