These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

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

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This shop specializes in oddities and Victorian-inspired wonders.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

America's first public mental health facility.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This quirky curiosity shop takes its cues from the world's bazaars.

"X" marks the spot of an echo chamber in the middle of a plaza.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

There must be a pun in this haystack somewhere...

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Tucked in the back of this amazing antique store is an important piece of medical history.

A terrific purveyor of natural history objects and curios.

Try not to get slimed in Tribeca.

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