Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

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

Over 50 whirling pools left behind from the glacial age.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

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

A collection of huge Pre-Colombian structures in Alabama.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The haunting history of a little girl lost.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Enjoy egg rolls and live music in a converted bank vault.

This cemetery is home to numerous granite headstones that are works of art unto themselves.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

The Burnside Fountain and its questionable interpretation.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

Dedicated to one of the darkest moments in Irish history.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.