A Museum of Holography frozen in 1974.

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.

Century-old shop, specializing in Occult products.

A rare view of a preserved Victorian science museum.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

The intriguing personal collection of a professional demon-chaser.

A wunderkammer hidden on the top floor of the Hartford statehouse.

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

137 graves holding New England's earliest residents.

One of the world's largest model railroads is a mind-boggling achievement.

Arlington Cemetery exhibit dedicated to death and grieving.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A museum dedicated to exhibiting remarkable outsider art.

A priceless collection of the Nation's cryptologic history.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The Cadillac Ranch for monster truck aficionados.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.