"Mock all and sundry things, but leave the saints alone."

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

The Boston square dedicated to the dark poet who was born nearby.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Unicorns, elephants, and bears, oh my!

This historic Rhode Island mini-cemetery features a number of headstones run through with mysterious holes.

The home of the artist credited with introducing the tomato to the American diet.

The first newspaper printed by an expeditionary force was published in this colonial mansion.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

A single light illuminates one man's overshadowed contributions to street lamp history.

Oldest synagogue in the United States.

Mysterious stone tower featured in many alternative histories of the New World.

A 60-room castle constructed by a horse-racing heir.

The oldest still-operating tavern in the United States was once owned by a pirate.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Largest Roman Catholic church in North America.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.