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

One of the few remaining monuments dedicated to South Boston's Irish heritage.

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

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

An enormous, inside-out glass globe built in 1935.

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

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

A unique columnar residence built in the 19th century.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Museum dedicated to awful artwork.

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

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

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

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

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

One of the last remaining movie theatres in the country that features a rear-projection system.

One of America's most historic homes also holds a startling literary legacy.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

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