A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

This decrepit abandoned building is made all the more eerie by its dark history.

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

This clock tower is all that remains of Bird Hall, constructed by one of the founding families of this Massachusetts town.

This castle constructed in 1928 was crafted from drawings of Lismore Castle in Ireland.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

A quaint museum nestled in a former hub of Irish moss harvesting.

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

These three lighthouses played a fundamental role in the maritime life of Eastham.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

The largest glacial erratic boulder on Cape Cod.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

This hidden labyrinth offers walkers some brief peace of mind.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

More than 200 unconventional musical instruments that anyone can play.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

The mansion home of author Edith Wharton.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

The Atlantis of Cape Cod reemerges during the lowest of tides.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.