The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

These items are all that remain from the room used by the author during his second tour of the U.S.

The Boston home of a conductor on the Underground Railroad.

This historic Boston building has gone from personal estate to porn theater and back again.

A unique music museum housed in a historic Boston theater.

Painstakingly built dioramas sit unnoticed in a Boston office building.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Designed as a place for patients to take in the scenery, this tower has a dark history.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

An obelisk marks the farmhouse where the founder of Mormonism was born.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

35,000 grape hyacinths flow like water down a garden hill.

A 19th-century smallpox cemetery is being reclaimed by scrub forest and sand dunes.

America's oldest archaeological site or a muddled case of wishful thinking.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

An 80-year-old house built out of newspapers.

An eccentric inventor's castle home with its own indoor weather system.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

A short walk through the woods will take you to an unusual flat hill top, used by the Shakers for outdoor worship.

A tribute to the couples who brave long periods of separation during wartime.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

The oldest tavern in Lowell has dedicated fans of its fan.