An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

The site of a tragic massacre that spawned a multimedia franchise.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

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

Once America's longest-manned military fort, now an abandoned hulk.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

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

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

The first full-scale tunnel built in America is short but scenic.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The site of the one of the most deadly train wrecks in American history.

These early tent-shaped grave coverings are unique to Appalachia.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

An abandoned town is hidden in Great Smoky Mountains National Park.

This defunct, fortress-like prison has been the setting for several movies.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

A Memphis park where you can walk the whole Mississippi River in one go.