The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Eliot was the first missionary to produce religious text for Algonquians in their own language.

These impressively detailed battle scenes depict the violence and tragedy of war in miniature.

This supermarket is suspended 25 feet above an interstate highway.

A historic bridge with a lovely acoustic anomaly.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

The world's largest piece of copyrighted artwork.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

Malcolm X's house during his most formative years faces an uncertain future.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

One of the indelible moments of the American Revolution took place at this location.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

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

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

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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.

Dim sum, served in a grand old theater.

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

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

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

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