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

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

Ornate and macabre headstone in one of the country's oldest cemeteries.

One man’s hobby is another man’s world of metal wonders.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

No one really knows how these old hobby horses got here, but the herd keeps growing.

Three prestigious academic collections come together to create a world-class natural history museum.

Second largest wastewater treatment plant in the country.

The massive machine creates cracking displays of indoor lightning.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Dim sum, served in a grand old theater.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

A beautiful Victorian-era cemetery, complete with a miniature village.

The bears may be gone, but their old cages can still be found.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

The final resting place of New England's last "vampire."

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Why have you never heard of the second most popular tourist site in New York?

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.